NCERT Solutions for Class 12 Maths Chapter 7 Integrals Exercise 7.8

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NCERT Solutions for Class 12 Maths Chapter 7 Integrals Exercise 7.8 is covered in this article. This exercise of Chapter 7 is based on the Definite integral as the limit of a sum. NCERT Solutions for Class 12 Maths Chapter 7 will carry a weightage of around 6-18 marks in the CBSE Term 2 Exam 2022. NCERT has provided a total of 06 problems and solutions based on the important topics of the exercise.

Download PDF NCERT Solutions for Class 12 Maths Chapter 7 Integrals Exercise 7.8

NCERT Solutions for Class 12 Maths Chapter 7: Important Topics

Important topics covered in Integrals Chapter are:

  • Double Integral
  • Continuous Integration
  • Properties of Definite Integral
  • Line Integral
  • Integrals of Particular Function

Also check: NCERT Solutions for Class 12 Maths Chapter 7 Integrals 

Other Exercises Solutions of Class 12 Maths Chapter 7 Integrals

Chapter 7 Integrals Topics:

CBSE Class 12 Mathematics Study Guides:

CBSE CLASS XII Related Questions

  • 1.

    \( \int e^{x}\left( \frac{2+\sin 2x}{1+\cos 2x} \right) dx \) is equal to :

      • \( \log \cos 2x + C \)
      • \( \sec^{2} 2x + C \)
      • \( e^{x}\tan x + C \)
      • \( e^{x}\cot x + C \)

    • 2.

      The motion of a particle is described as \( S = 2t^{3} - 6t^{2} + 8 \). Its velocity \( \frac{dS}{dt} \), when the acceleration \( \frac{d^{2}S}{dt^{2}} \) vanishes is :

        • \( -6 \) unit/sec
        • \( 0 \) unit/sec
        • \( 18 \) unit/sec
        • \( 6 \) unit/sec

      • 3.

        Solve the differential equation \( y + \frac{d}{dx}(xy) = x(\sin x + \log x) \).


          • 4.

            If \(P(A) = 0.3\), \(P(B) = 0.7\) and \(P(B/A) = 0.5\), then \(P(A \cup B)\) is :

              • \(0.35\)
              • \(0.85\)
              • \(0.5\)
              • \(0.21\)

            • 5.

              For events A and B, if \(P(B)=\frac{3}{5}\), \(P(A/B)=\frac{1}{2}\) and \(P(A\cup B)=\frac{4}{5}\), then \(P(A)\) is :

                • \(\frac{1}{2}\)
                • \(\frac{3}{5}\)
                • \(\frac{1}{5}\)
                • \(\frac{3}{10}\)

              • 6.

                If \(y = \sqrt{\log \left\{ \sin \left( \dfrac{x^2}{3} + 1 \right) \right\}}\), then show that

                \[ \frac{dy}{dx} = \frac{x \cot \left( \dfrac{x^2}{3} + 1 \right)}{3y}. \]

                  CBSE CLASS XII Previous Year Papers

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