NCERT Solutions for Class 11 Maths Chapter 14 Exercise 14.2

Collegedunia Team logo

Collegedunia Team

Content Curator

Class 11 Maths NCERT Solutions Chapter 14 Mathematical Reasoning Exercise 14.2 are based on the following concepts: 

  • New statements from old statements
  • Implications
  • Validating Statements
  • Conjunction

Download PDF NCERT Solutions for Class 11 Chapter 14 Mathematical Reasoning Exercise 14.2

Check out the solutions of Class 11 Maths NCERT Solutions Chapter 14 Mathematical Reasoning Exercise 14.2

Read More: NCERT Solutions For Class 11 Maths Chapter 14 Mathematical Reasoning

Also check other Exercise Solutions of Class 11 Maths Chapter 14 Mathematical Reasoning

Also Check:

Chapter Related Topics
Irrational Number Prime Number Real Number

Also check:

CBSE CLASS XII Related Questions

  • 1.

    Find the sum of maximum and minimum values of \(f(x) = \sin x\,(1 + \cos x)\) in the interval \([0, \pi]\).


      • 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.

          For the following Linear Programming Problem, shade the feasible region on the graph and find the coordinates of its corner points :

          Minimize \(Z = 18x + 10y\)

          subject to constraints

          \[ \begin{aligned} 4x + y &\ge 20 \\ 2x + 3y &\ge 30 \\ x, y &\ge 0. \end{aligned} \]


            • 4.

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

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


                • 5.

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


                    • 6.

                      Differential of \( \log \sin x \) with respect to \( \sqrt{\cos x} \) is :

                        • \( -2\sqrt{\cos x}\cdot\cot x\cdot\operatorname{cosec} x \)
                        • \( \sqrt{\cos x}\cdot\cot x\cdot\operatorname{cosec} x \)
                        • \( \frac{2\sqrt{\cos x}}{\sin x} \)
                        • \( \frac{1}{\sin x\sqrt{\cos x}} \)
                      CBSE CLASS XII Previous Year Papers

                      Comments


                      No Comments To Show