NCERT Class 12 Math Continuity and Differentiability Chapter 5 MCQ Question Answer for Preparation of Exams. Here we Provide Class 12 Math Question Answer, Important Questions, MCQ for Various State Boards Students like CBSE, Haryana, uttar pradesh, mp and other state students.
Also Read : – Class 12 Math NCERT Solution
NCERT Class 12 Math Chapter 5 Continuity and Differentiability MCQ Question Answer Solution.
Continuity and Differentiability Class 12 Math Chapter 5 MCQ Question Answer
Multiple Choice Questions and Answer for Easy to Understand the Chapter.
1. Which of the following is equal to logbpq ?
(A) logbp/logbq
(B) logbp + logbq
(C) logbp × logbq
(D) None of the above
Answer
Ans. (B) logbp + logbq
2. Which of the following is true regarding derivatives?
(A) derivative of logx w.r.t x is 1/x
(B) derivative of ex w.r.t x is ex
(C) derivative of sin2x w.r.t x is 2sinxcosx
(D) All of the above
Answer
Ans. (D) All of the above
3. Second order derivative of function f(x) = x10 w.r.t. x is
(A) 10x8
(B) 90x8
(C) 180x9
(D) None of the above
Answer
Ans. (B) 90x8
4. The value of k for the function is continuous at x = 2 for given f(x) = { kx2 , if x≤2 and f(x) = { 3, if x>2 is
(A) 3/2
(B) 4/3
(C) 3/4
(D) 1
Answer
Ans. (C) 3/4
5. The value of k for the function is continuous at x = π for given f(x) = { kx + 1, if x≤π and f(x) = { cosx, if x>π is
(A) -2
(B) 1/π
(C) π/2
(D) -2/π
Answer
Ans. (D) -2/π
6. The derivative of a function is 2xcosx2 .Which of the following can be that function?
(A) sin2x
(B) sin(x2)
(C) cos2x
(D) 2sinx
Answer
Ans. (B) sin(x2)
7. The derivative of a function is -1/(1 + x2). Which of the following can be that function?
(A) sin-1x
(B) cos-1x
(C) cot-1x
(D) tan-1x
Answer
Ans. (C) cot-1x
8. Derivative of 1 w.r.t. x is
(A) x
(B) 1
(C) 0
(D) Not defined
Answer
Ans. (C) 0