NCERT Solutions for Class 11 Maths Chapter 13 Exercise 13.1

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Class 11 Maths NCERT Solutions Chapter 13 Limits and Derivatives Exercise 13.1 is based on the following concepts:

  • Intuitive Idea of Derivatives
  • Limits (Algebra of limits, Limits of polynomials and rational functions)
  • Limits of Trigonometric Functions

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CBSE CLASS XII Related Questions

  • 1.

    Find the value of \(x\) if \(A = B\), where

    \[ A = \begin{bmatrix} 6 & 3x \\ 8 & -6 \end{bmatrix} \text{ and } B = \begin{bmatrix} 6 & x^2+2 \\ 8 & x^2-5x \end{bmatrix}. \]


      • 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.

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

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


            • 4.

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


                • 5.

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

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

                  • 6.

                    For the given Linear Programming Problem, shade the feasible region on the graph and write the coordinates of the corner points.

                    Minimize \(Z = 5x + 7y\)

                    subject to constraints

                    \[ 2x + y \geq 8 \]

                    \[ x + 2y \geq 10 \]

                    \[ x,\ y \geq 0. \]

                      CBSE CLASS XII Previous Year Papers

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