NCERT Solutions for Class 12 Maths Chapter 11 Three Dimensional Geometry Exercise 11.1

Namrata Das logo

Namrata Das Exams Prep Master

Exams Prep Master

NCERT Solutions for Class 12 Maths Chapter 11 Three-dimensional Geometry Exercise 11.1 is covered in this article. This exercise of Chapter 11 is based on Introduction to Three Dimensional Geometry, The relation between the direction cosines of a line, Direction cosines of a line passing through two points. NCERT Solutions for Class 12 Maths Chapter 11 will carry a weightage of around 7-14 marks in the CBSE Term 2 Exam 2022. NCERT has provided a total of 05 problems and solutions based on the important topics of the exercise.

Download PDF NCERT Solutions for Class 12 Maths Chapter 11 Integrals Exercise 11.1

NCERT Solutions for Class 12 Maths Chapter 11 Important Topics

Important topics covered in the Three-dimensional Geometry Chapter are:

  • Angle between two lines
  • Plane
  • Angle between line and plane
  • Angle between two vectors
  • Coplanarity

Also check: NCERT Solutions for Class 12 Maths Chapter 11 Three-dimensional Geometry 

Other Exercises Solutions of Class 12 Maths Chapter 11 Three-dimensional Geometry

Chapter 11 Three-dimensional Geometry:

CBSE Class 12 Mathematics Study Guides:

CBSE CLASS XII Related Questions

  • 1.
    If \( \overrightarrow{a} + \overrightarrow{b} + \overrightarrow{c} = 0 \), \( |\overrightarrow{a}| = \sqrt{37} \), \( |\overrightarrow{b}| = 3 \), and \( |\overrightarrow{c}| = 4 \), then the angle between \( \overrightarrow{b} \) and \( \overrightarrow{c} \) is:

      • \( \frac{\pi}{6} \)
      • \( \frac{\pi}{4} \)
      • \( \frac{\pi}{3} \)
      • \( \frac{\pi}{2} \)

    • 2.
      Evaluate: $ \tan^{-1} \left[ 2 \sin \left( 2 \cos^{-1} \frac{\sqrt{3}}{2} \right) \right]$


        • 3.
          If $M$ and $N$ are square matrices of order 3 such that $\det(M) = m$ and $MN = mI$, then $\det(N)$ is equal to :

            • $-1$
            • 1
            • $-m^2$
            • $m^2$

          • 4.
            Evaluate: \[ \int_0^{\frac{\pi}{2}} \frac{5 \sin x + 3 \cos x}{\sin x + \cos x} \, dx \]


              • 5.
                Let both $AB'$ and $B'A$ be defined for matrices $A$ and $B$. If the order of $A$ is $n \times m$, then the order of $B$ is:

                  • $n \times n$
                  • $n \times m$
                  • $m \times m$
                  • $m \times n$

                • 6.
                  A coin is tossed twice. Let $X$ be a random variable defined as the number of heads minus the number of tails. Obtain the probability distribution of $X$ and also find its mean.

                    CBSE CLASS XII Previous Year Papers

                    Comments


                    No Comments To Show