NCERT Solutions for Class 12 Maths Chapter 6 – Application of Derivatives
Page No 197: Question 1: Find the rate of change of the area of a circle with respect to its radius r when (a) r = 3 cm (b) r = …
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NCERT Solutions for Class 12 Maths Chapter 5 – Continuity and Differentiability
Page No 159: Question 1: Prove that the functionis continuous at Answer: Therefore, f is continuous at x = 0 Therefore, f is continuous at x = −3 Therefore, f is continuous at x = 5 Question …
NCERT Solutions for Class 12 Maths Chapter 4 – Determinants
Page No 108: Question 1: Evaluate the determinants in Exercises 1 and 2. Answer: = 2(−1) − 4(−5) = − 2 + 20 = 18 …
NCERT Solutions for Class 12 Maths Chapter 3 – Matrices
Page No 64: Question 1: In the matrix, write: (i) The order of the matrix (ii) The number of elements, (iii) Write the elements a13, a21, a33, a24, a23 Answer: …
NCERT Solutions for Class 12 Maths Chapter 2 – Inverse Trigonometric Functions
Page No 41: Question 1: Find the principal value of Answer: Let sin-1 Then sin y = We know that the range of the principal value branch of …
NCERT Solutions for Class 12 Maths Chapter 1 – Relations And Functions
Page No 5: Question 1: Determine whether each of the following relations are reflexive, symmetric and transitive: (i)Relation R in the set A = {1, 2, 3…13, …
How to Change the “root” Password in Linux
In this tutorial, we will learn How to Change the “root” Password in Ubuntu Linux? The root user (or superuser) is a special user account …
