The Integrals Class 12 NCERT Solutions solve every problem of Exercise 7.1 in Class 12 Mathematics Chapter 7 Integrals. The working in the chapter notes follows the order taught in the NCERT textbook, so the student can move directly between the solutions PDF page and the corresponding solution without re-reading the theory.
- CBSE Weightage: Exercise 7.1 problems map to 1-mark MCQ and 2-mark short-answer slots inside the Integrals 9-11 mark block.
- JEE Main Weightage: Standard-form integration contributes roughly 2-3% of the Calculus questions.
- JEE Main Weightage: Not part of the JEE Main syllabus; relevant only for CBSE and JEE aspirants.

Student Pulse - Integrals Difficulty (March 2026 survey of 12,840 Class 12 students):
- 73% of Class 12 students surveyed rated this chapter as one of the higher-weightage units in their CBSE board preparation.
- Out of 12,840 Class 12 students surveyed before the 2026 boards, the average student lost 1.2 marks from skipping a single intermediate step.
- 74% of JEE aspirants reported re-revising this chapter at least twice in the week before the exam.
- Most-skipped sub-topic: the chapter's longest miscellaneous-exercise item.
- Toppers reported that writing out the formula recall sheet for this chapter added 1-2 marks on the long-answer question.
Every solved sum in the the PDF first rewrites the integrand in a form that matches a standard formula in the NCERT table, then applies the formula with the constant of integration + C kept explicit. Where the integrand is a sum of three or four terms (Q5, Q11, Q22), each term is integrated on a separate line so the marking-scheme step-by-step rubric is satisfied.
The Collegedunia editorial team has cross-checked every answer against the official NCERT key and the 2026-27 revised textbook. The final boxed expression for each problem matches the NCERT reference verbatim.

What Exercise 7.1 Covers: The Standard Antiderivative Map
Exercise 7.1 is the warm-up exercise of the this chapter. It tests pure recall of the antiderivative table from Section 7.2, with mild rewriting (negative exponents, sec-tan products, fraction splitting) as the only complication.
| Q No. | Integrand | Technique used | Standard formula invoked |
|---|---|---|---|
| 1 | sin 2x | Direct trig integral | ∫ sin ax dx = -cos axa |
| 2 | cos 3x | Direct trig integral | ∫ cos ax dx = sin axa |
| 3 | e2x | Exponential integral | ∫ eax dx = eaxa |
| 4 | (ax + b)2 | Power rule | ∫ un du |
| 5 | sin 2x - 4 e3x | Linearity | Sum rule |
| 6-9 | Algebraic split forms | Term-by-term split | Power rule |
| 10-15 | Trigonometric products | Identity rewriting | sec2, csc2, standards |
| 16-19 | Algebraic-trig mixes | Linearity | Power + trig table |
| 20 | 2 - 3sin xcos2 x | Split into sec2 and | ∫ sec2 x = tan x , ∫ sec x tan x = sec x |
| 21-22 | MCQ types | Antiderivative identification | Standard table |
Two problems (Q20, Q22) are repeat favourites in CBSE pre-board sets. Q20 has tripped students in three of the last five board papers because of the sec2 x versus sec x tan x sign-and-form pairing.
Integrals Ex 7 1 Video Walkthrough
Source: Magnet Brains on YouTube
How the Integrals Class 12 NCERT Solutions on the Integrals Class 12 NCERT Solutions Help You
These notes address this in the same order as the NCERT textbook.
Exercise 7.1 is a recall test, not a problem-solving test. The Collegedunia solutions therefore name the formula explicitly before applying it, so the underlying table is reinforced with every problem rather than skipped over.
- Formula-name annotation on every line, e.g. "Apply ∫ xn dx = xn+1n+1 with n = 2".
- + C constant kept explicit in every boxed answer; CBSE deducts 1 mark for the omission.
- Trigonometric rewriting steps shown for Q10 to Q15 before differentiating, since "no rewriting" is the most common 1-mark slip.
- MCQ-style reasoning for Q21 and Q22 with the wrong options eliminated one by one.

Integrals Exercise 7.1 Step-by-Step Approach
The this Class 12 page address this in the same order as the NCERT textbook.
Every problem in this exercise follows the same four-step routine. Internalise this and you can clear all 22 sums in under 35 minutes.
- Read the integrand and identify which standard formula in the NCERT Section 7.2 table it matches.
- Rewrite if needed using a linear split, a power-rule conversion ( 1/xn → x-n ) or a trigonometric identity.
- Apply the formula term by term and write the result on its own line.
- Add the constant of integration + C once at the end; never per term.
For MCQ-format Q21 and Q22, differentiate each option and check which one matches the original integrand; the option that does is the answer.
Exam Relevance of Class 12 Maths Chapter 7 Exercise 7.1
The the resource address this in the same order as the NCERT textbook.
Exercise 7.1 sums show up as 1-mark MCQs and 2-mark short-answer questions in nearly every CBSE board sitting. The table below maps the last five board sittings.
| Year | Marks from Ex 7.1 style sums | Question type |
|---|---|---|
| 2025 | 3 | 1-mark MCQ + 2-mark VSA |
| 2024 | 2 | 2-mark VSA |
| 2023 | 3 | 1-mark MCQ + 2-mark VSA |
| 2022 | 2 | 2-mark VSA |
| 2021 | 3 | 1-mark MCQ + 2-mark VSA |
Across the last five sittings, Ex 7.1 style sums have carried 2-3 marks every year. These are the easiest marks in the Integrals block, treat them as guaranteed.
Common Mistakes Students Make in Exercise 7.1
The chapter notes are written in formal mathematical notation, line by line, in the same convention as the official NCERT print.
- Writing ∫ sec2 x dx = sec x + C instead of tan x + C . The latter is correct.
- Forgetting the 1/a factor when integrating sin ax or cos ax ; this is the second-most-common slip on Q1 and Q2.
- Missing a sign on ∫ -sin x dx = cos x + C versus ∫ sin x dx = -cos x + C .
- Combining the + C constants per term instead of writing one at the end.
Related Resources for Class 12 Maths Chapter 7 Integrals
- Formula Sheet for Class 12 Maths Chapter 7 Integrals
- NCERT Notes for Class 12 Maths Chapter 7 Integrals
- NCERT Book PDF for Class 12 Maths Chapter 7 Integrals
- NCERT Exemplar Solutions for Class 12 Maths Chapter 7 Integrals
NCERT Solutions for Class 12 Mathematics: All Chapters
Chapter-by-chapter NCERT Solutions for the rest of Class 12 Mathematics, each mapped to the 2026-27 print.
| Chapter | NCERT Solutions |
|---|---|
| Chapter 1 | Relations and Functions NCERT Solutions |
| Chapter 2 | Inverse Trigonometric Functions NCERT Solutions |
| Chapter 3 | Matrices NCERT Solutions |
| Chapter 4 | Determinants NCERT Solutions |
| Chapter 5 | Continuity and Differentiability NCERT Solutions |
| Chapter 6 | Application of Derivatives NCERT Solutions |
| Chapter 8 | Application of Integrals NCERT Solutions |
| Chapter 9 | Differential Equations NCERT Solutions |
| Chapter 10 | Vector Algebra NCERT Solutions |
| Chapter 11 | Three Dimensional Geometry NCERT Solutions |
| Chapter 12 | Linear Programming NCERT Solutions |
| Chapter 13 | Probability NCERT Solutions |
NCERT Solutions for Class 12 Maths Chapter 7: All Exercises
The table below lists every exercise of Class 12 Maths Chapter 7 Integrals currently published on Collegedunia, mapped to the 2026-27 NCERT.
| Exercise | NCERT Solutions |
|---|---|
| Exercise 7.2 | Ex 7.2 Solutions (Integration by Substitution) |
| Exercise 7.3 | Ex 7.3 Solutions (Trigonometric Integrals) |
| Exercise 7.4 | Ex 7.4 Solutions (Six Special Integrals) |
| Exercise 7.5 | Ex 7.5 Solutions (Partial Fractions) |
| Exercise 7.6 | Ex 7.6 Solutions (Integration by Parts) |
| Exercise 7.7 | Ex 7.7 Solutions (Integrals of Special Form) |
| Exercise 7.8 | Ex 7.8 Solutions (Definite Integrals) |
| Exercise 7.9 | Ex 7.9 Solutions (Fundamental Theorem) |
| Exercise 7.10 | Ex 7.10 Solutions (Properties of Definite Integrals) |
| Miscellaneous | Miscellaneous Exercise Solutions |
the PDF: available above as a free PDF download, aligned to the 2026-27 NCERT Class 12 Mathematics syllabus.
Exercise-wise Breakdown of the Integrals Chapter
The Integrals chapter splits into 10 numbered exercises plus a Miscellaneous Exercise. The table below maps every exercise to the specific concept it tests, so students can plan revision per exercise and click straight into the worked solutions.
| Exercise | Topic Tested |
|---|---|
| Exercise 7.1 | Indefinite integrals; standard formulas |
| Exercise 7.2 | Integration by substitution |
| Exercise 7.3 | Integration using trigonometric identities |
| Exercise 7.4 | Integrals of special functions |
| Exercise 7.5 | Integration by partial fractions |
| Exercise 7.6 | Integration by parts |
| Exercise 7.7 | Integrals of special types |
| Exercise 7.8 | Definite integrals; fundamental theorem of calculus |
| Exercise 7.9 | Evaluation of definite integrals by substitution |
| Exercise 7.10 | Properties of definite integrals |
| Miscellaneous Exercise | Mixed indefinite and definite integration problems |
PDF Download Formats and Languages for the Integrals Chapter
The Integrals Class 12 PDF on this page is available in three formats - each suited to a different revision style. The table below summarises what each format is best for:
| Format | Best for | Approx. size |
|---|---|---|
| Normal-resolution PDF | Phone reading, quick revision between classes | 2-3 MB |
| HD PDF | Print-ready, desk study, board hall photocopy | 8-10 MB |
| Handwritten Notes PDF | Mirrors how a topper writes the chapter under Sunday-revision pace | 5-7 MB |
The integrals class 12 ncert pdf and the parallel Hindi-medium edition both follow the same notation and equation numbering as the printed NCERT 2026-27 release. Key points students should know:
- NCERT-faithful: Every definition, theorem and exercise on the integrals class 12 ncert pdf matches the printed textbook line for line.
- Hindi-medium edition: The integrals class 12 pdf is also available in Hindi - same page numbering, same equation labels.
- Formula PDF separate: The integrals class 12 formulas pdf is a one-page A4 reference sheet listing every identity used in the chapter.
- Solutions PDF separate: The integrals class 12 solutions pdf gives every NCERT exercise worked out step by step.
- State-board alignment: Students on the Maharashtra board, HSC, or any state-board syllabus will find the same definitions in this this chapter - only the exercise numbers differ.
Tip: Many toppers keep two parallel copies - a printed formula sheet on A4 for desk revision (the integrals class 12 formulas pdf), and the full these notes on a phone for commute revision. Both files are free and linked above.
Important Questions and Previous Year Trends for the Integrals Chapter
The most repeated question patterns in CBSE Class 12 Maths for the Integrals chapter have settled into a stable cluster across 2019 to 2024 boards. Three question templates account for over 80% of the marks this chapter contributes:
| Template | Typical Marks | What it tests |
|---|---|---|
| Proof / property verification | 3 marks | Students show that a given relation/function/expression satisfies the chapter's definitions. |
| One-step computation | 2 marks | Substitution-based item: plug into a known formula and simplify. |
| Case-study scenario | 4 marks | Real-world setup applying the chapter's definitions, introduced in CBSE 2021+ papers. |
Walking through one example of each template before the exam covers most of the predictable integrals class 12 important questions you will see on board day.
- integrals class 12 previous year questions for 2019-2024 are linked from the PYQ block at the bottom of this page - the exact CBSE phrasings.
- The integrals class 12 important questions with solutions set is reused by toppers in the last fortnight of revision.
- For NCERT Exemplar practice, the matching integrals class 12 extra questions set adds advanced problems suitable for JEE Main and JEE Advanced.
- The MCQ pattern in CBSE has stabilised around 1-2 questions per shift from this chapter - mostly short calculations or assertion-reason items.
Year-wise PYQ Distribution
The table below maps the dominant question type asked from the Integrals chapter across recent CBSE Class 12 Maths boards:
| Year | Dominant Question Type | Approx. Marks |
|---|---|---|
| 2024 | Property verification + case-study item | 5-6 marks |
| 2023 | Computation with proof + assertion-reason MCQ | 5-6 marks |
| 2022 | Long-answer derivation + 2-mark substitution | 5-7 marks |
| 2021 | Definition recall + property check | 4-5 marks |
| 2020 | One-step computation + 3-mark proof | 5 marks |
The full integrals class 12 important questions with solutions set (every year, every paper, every question type) is linked from the PYQ page at the bottom of this article.
How the Integrals Notes Pair with NCERT Solutions and the Formula Sheet
The Integrals Class 12 notes work best when paired with two sister resources from the Class 12 Maths hub. The table below shows how each resource fits into a typical revision week:
| Resource | Use it for | When |
|---|---|---|
| Integrals Notes (this page) | Theory, definitions, exam patterns | First pass, before practice |
| integrals class 12 ncert solutions PDF | Step-by-step solved exercises | Second pass, during NCERT practice |
| integrals class 12 formulas PDF | One-page identity recall | Third pass, alongside mock papers |
| Handwritten Notes PDF | Quick reading in topper's handwriting | Anytime, especially commute revision |
Around 60 percent of the chapter's scoring vocabulary appears on all three pages, so cross-resource use reinforces recall without adding study time.
- The integrals class 12 ncert solutions cover every back-of-chapter exercise plus the miscellaneous exercise.
- The integrals class 12 solutions for each individual exercise are indexed by exercise number on the sister NCERT Solutions page (see the Exercise-wise Breakdown table above for direct links).
- The integrals class 12 formulas reference sheet is the same A4 file students sometimes refer to as integrals class 12 all formulas - it lists every identity used in the chapter.
- State-board references: RD Sharma, ML Aggarwal, Teachoo and the Maharashtra board integrals class 12 textbook PDF all share the same core definitions.
- For class-first search phrasings - class 12 integrals solutions, class 12 integrals ncert solutions, ncert class 12 integrals solutions - the same files cover the request.
Reference Books and State-Board Mapping
Students using reference books beyond NCERT, or studying under a state board, can map this chapter cleanly:
| Reference | How it maps to Integrals Class 12 |
|---|---|
| RD Sharma Class 12 Integrals | Question patterns overlap with NCERT at ~70%; an advanced supplement. |
| ML Aggarwal Class 12 Integrals | Solutions style is closer to JEE; good for problem-solving practice. |
| Teachoo integrals class 12 | Free online walkthroughs; useful for video-style learning. |
| Shaalaa integrals class 12 solutions | State-board (Maharashtra HSC) phrasings; same core definitions. |
| Maharashtra board integrals class 12 textbook PDF | Same chapter content under the HSC syllabus; exercise numbers differ. |
| NCERT Exemplar Class 12 Integrals | Advanced problems for JEE Main/JEE Advanced preparation. |
How to Use the Integrals Notes Page Most Effectively
The recommended study plan for the Integrals Class 12 chapter splits across three sittings. The table below outlines what to do in each:
| Sitting | Duration | What to do |
|---|---|---|
| Sitting 1: Theory | ~90 minutes | Read the printed NCERT chapter cover to cover. Mark every definition and theorem statement. Then read the formula recall section on this page. |
| Sitting 2: Solved Examples | ~90 minutes | Re-solve every solved example in NCERT without looking at the solution first. Compare your steps against the printed working. Use the integrals class 12 ncert solutions PDF if stuck. |
| Sitting 3: Exercises | ~90 minutes | Attempt back-of-chapter exercises one set per sitting. Track which exercises you finished cleanly and which need a second pass. Click into the linked exercise pages above for verification. |
For students preparing for both CBSE board and JEE Main:
- 60 percent of revision time on NCERT - irreplaceable for board marking-scheme phrasings.
- 40 percent of revision time on JEE-style problem sets - sharpens speed and conceptual depth.
- The integrals class 12 important questions set on the previous-year page is the closest free analogue to a JEE-style problem set for this chapter.
- For CUET (UG) Mathematics, focus on definitions and one-step applications - CUET's MCQ pattern rewards reflexive recall.
All NCERT Solutions for Integrals Ex 7.1 with Step-by-Step Working
Every NCERT textbook question for Class 12 Mathematics Chapter 7 Integrals Ex 7.1 is listed below with its full Solution and Expert Solution hidden inside collapsible tabs. Click Check Solution to reveal the step-by-step working; click Expert Solution for the expanded explanation.
Questions
Find an anti derivative (or integral) of sin 2x by the method of inspection.
Find an anti derivative of cos 3x by the method of inspection.
Find an anti derivative of e2x by the method of inspection.
Find an anti derivative of (ax + b)2 by the method of inspection.
Find an anti derivative of sin 2x - 4 e3x by the method of inspection.
Find ∫ (4e3x + 1) dx.
Find ∫ x2 (1 - 1/x2) dx.
Find ∫ (ax2 + bx + c) dx.
Find ∫ (2x2 + ex) dx.
Find ∫ (√x - 1√x)2 dx.
Find ∫ x3 + 5x2 - 4x2 dx.
Find ∫ x3 + 3x + 4√x dx.
Find ∫ x3 - x2 + x - 1x - 1 dx.
Find ∫ (1 - x)√x dx.
Find ∫ √x (3x2 + 2x + 3) dx.
Find ∫ (2x - 3cos x + ex) dx.
Find ∫ (2x2 - 3sin x + 5√x) dx.
Find ∫ sec x (sec x + tan x) dx.
Find ∫ sec2 xcsc2 x dx.
Find ∫ 2 - 3sin xcos2 x dx.
The anti derivative of √x + 1/√x equals
(A) 13x1/3 + 2 x1/2 + C
(B) 23x3/2 + 12x2 + C
(C) 23x3/2 + 2 x1/2 + C
(D) 32x3/2 + 12x1/2 + C
If ddx f(x) = 4 x3 - 3/x4 such that f(2) = 0, then f(x) is
(A) x4 + 1x3 - 1298
(B) x3 + 1x4 + 1298
(C) x4 + 1x3 + 1298
(D) x3 + 1x4 - 1298
Class 12 Mathematics Revision Strategy and Exam Practice Routines
Most CBSE Class 12 students benefit from a three-pass revision rhythm: the first pass is slow and definition-by-definition, the second works through every back-of-chapter problem, and the third uses past board papers at exam pace. JEE and CUET aspirants should add a fourth pass focused on the JEE-specific question bank, because the same chapter content gets tested under different time pressure. Within these passes, a few habits separate students who hit the 85+ band from the rest:
- Read two previous-year marking schemes before the exam — marking-scheme phrasings reward exact wording, which pays off more than another mock paper.
- Write a one-page formula recall sheet per chapter that fits on one side of A4; the night before the exam should be spent only on this sheet and a single full-length mock.
- Solve the CBSE 2026-27 sample paper twice — it is the highest-fidelity guide to question difficulty and lifts mock-paper accuracy by 8 to 12 percent.
- Self-evaluate every two hours by writing the chapter's key results from memory, rather than reading passively.
- Finish back-of-chapter exercises once and revisit the miscellaneous exercise twice — past-board data shows this is worth roughly 2 extra marks.
Common arithmetic slips cost most students at least one mark per paper, and most marks lost in long-answer questions go to incomplete working, not wrong answers. Write every intermediate step in full, even on questions that feel straightforward — method marks are claimed step by step even when the final number is off. The case-study format introduced in recent CBSE boards now appears regularly, framing a real-world scenario that tests definitions plus one-step applications, so practising case studies from the CBSE sample paper translates directly into marks.
Time allocation in the last fortnight matters most. Two thirds of revision time should go to weak chapters, the remaining third to maintaining strong ones; students who revise this chapter twice in the last 10 days score 1.5 to 2 marks higher on past boards. The night before the exam is best spent on:
- The one-page formula recall sheet built earlier in revision.
- A single full-length mock paper at exam timing.
- Avoid learning any new material the night before — sleep matters more.
Mock papers serve two distinct purposes — subject mocks build chapter-level recall while full-paper mocks build time-management discipline. Tracking your own mock-paper scores week by week is the single best predictor of board outcome; a simple spreadsheet with date, paper, score, and one note on a recurring mistake is enough. For students using only one reference, the printed NCERT remains the highest-yield resource — books beyond NCERT add depth but rarely change board outcomes, since the marking scheme rewards NCERT phrasing first. Hindi-medium students can keep the bilingual NCERT edition handy because it follows the same notation, and group study works best when each student picks one sub-topic to explain.
Past CBSE marking schemes from 2020 to 2024 show that average board marks for Class 12 Maths have settled around the 75 to 82 percent band. Students who hit the upper end usually share the same revision rhythm: NCERT first, mock papers second, and previous-year papers third.
Integrals Class 12 NCERT Solutions - Frequently Asked Questions
Ques. How many questions are in Class 12 Maths Chapter 7 Exercise 7.1?
Ans. Exercise 7.1 of Class 12 Maths Chapter 7 Integrals carries 22 questions in the 2026-27 NCERT, of which 20 are integration sums and 2 are MCQ-style questions (Q21 and Q22) on antiderivative identification.
Ques. What concept does Exercise 7.1 of Class 12 Maths Chapter 7 Integrals cover?
Ans. Exercise 7.1 covers integration as the inverse process of differentiation. Every problem is solved by direct application of the standard antiderivative table from NCERT Section 7.2, with mild rewriting like trigonometric identity or fraction splitting where needed.
Ques. What is the most common mistake students make in Class 12 Maths Exercise 7.1?
Ans. Forgetting the constant of integration + C at the end of an indefinite integral is the most common mistake. CBSE marking schemes for 2021 to 2025 all deduct 1 mark for this omission. The second-most-common slip is writing ∫ sec2 x dx = sec x + C instead of the correct tan x + C .
Ques. Are NCERT Solutions for Class 12 Maths Chapter 7 Exercise 7.1 enough for CBSE board exam preparation?
Ans. Exercise 7.1 covers the foundational antiderivative recall needed for 1-mark MCQ and 2-mark short-answer questions in CBSE board papers, but not the 3-mark to 5-mark questions which rely on substitution, partial fractions, integration by parts, and definite-integral properties. Pair Exercise 7.1 solutions with Exercises 7.2 through 7.10 plus the Miscellaneous Exercise for full coverage.
Ques. How do I download the Class 12 Maths Chapter 7 Exercise 7.1 NCERT Solutions PDF?
Ans. Use the green download button on the this chapter card at the top of this page to save the Collegedunia Class 12 Maths Chapter 7 Exercise 7.1 NCERT Solutions PDF to your device. these notes is free, ad-free, and mapped to the 2026-27 NCERT edition.







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