Continuity and Differentiability-5

MCQ Questions Class 12 Continuity and Differentiability With Answers

CBSE Class 12 Continuity and Differentiability Multiple Choice Questions with Answers. MCQ Questions Class 12 Continuity and Differentiability with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT MCQ questions Class 12 Continuity and Differentiability with Answers to know their preparation level.

Students who are searching for NCERT MCQ Questions Class 12 Continuity and Differentiability with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 12 Continuity and Differentiability with Answers. You can also verify your answers from the provided MCQ Class 12 Continuity and Differentiability with Answers. So, ace up your preparation with MCQ of Class 12 Mathematics Examinations.

MCQ Questions Class 12 Continuity and Differentiability with Answers - Set - 5

Question 1: 

If sin y + e-xcos y = e, then dy/dx at (1, π) is equal to
(a) sin y
(b) -x cos y
(c) e
(d) sin y – x cos y

Correct Answer – (A)

Question 2: 

If y = e3x+n, then the value of dy/dx|x=0 is
(a) 1
(b) 0
(c) -1
(d) 3e7

Correct Answer – (D)

Question 3: 

If xmyn = (x + y)m+n, then dy/dx is equal to
(a) (x+y)/xy
(b) xy
(c) x/y
(d) y/x

Correct Answer – (D)

Question 4: 

If f(x) = 5x /((1x)2/3) + cos² (2x + 1), then f'(0) =
(a) 5 + 2 sin 2x
(b) 5 + 2 cos 2x
(c) 5 – 2 sin 2x
(d) 5 – 2 cos 2x

Correct Answer – (C)

Question 5: 

If x sin (a + y) = sin y, then dy/dx is equal to
(a) (sin2 (a + y))/sin a

(b) sin a/(sin2 (a + y))

(c) (sin (a + y))/sin a

(d) sin a / (sin (a + y))

 

Correct Answer – (A)

MCQ Questions Class 12 Continuity and Differentiability With Answers

Question 6: 

If y = aex+ be-x + c Where a, b, c are parameters, they y’ is equal to
(a) aex – be-x
(b) aex + be-x
(c) -(aex + be-x)
(d) aex – bex

Correct Answer – (A)

Question 7: 

If sec (xy)/(x+y) = a then dy/dx is
(a) –y/x
(b) x/y
(c) –x/y
(d) y/x

Correct Answer – (D)

Question 8: 

Differential coefficient of secx  is
(a) 1/(4x) = sec √x sin √x
(b) 1/(4x) = (sec√x)3/2 sin√x
(c) 1/(2x) sec√x sin √x.
(d) 1/(2x) (sec√x)3/2 sin√x

Correct Answer – (B)

Question 9: 

If y = (1 + x) (1 + x²) (1 + x4) …….. (1 + x2n), then the value of dy/dx at x = 0 is
(a) 0
(b) -1
(c) 1
(d) None of these

Correct Answer – (C)

Question 10: 

If y = ax² + b, then dy/dx at x = 2 is equal to ax
(a) 4a
(b) 3a
(c) 2a
(d) None of these

Correct Answer – (A)
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