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Differentiation MCQ - 4

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MCQ Series-4

Applied Mathematics-XII
(Differentiation)
M.C.Q.:-
( )( √ )
1. If ( ) then ( )is equal to

(a) 5 (b) –5 (c) 6 (d)
2. If √ √
(a) 1 (b) (c) (d) 0

3. If

(a) (b) (c) (d)


( )

4. If ( ) | |
(a) (b) (c) (d)
( )

5. The curve has at (0, 0)


(a) A vertical tangent (c) An oblique tangent
(b) A horizontal tangent (d) No tangent
6. The equation of the tangent to the curve ( ) ⁄
(a) (b) (c) (d)
7. The equation of the tangent to the curve ( ) is
(a) (b) (c) (d) None of these
8. The tangent to the curve at (0,1) meets the x-axis at
(a) (0, 1) (b) ( ) (c) (2, 0) (d) (0, 2)
9. The tangent to the curve at points (1,1) and (-1,1) are
(a) Parallel (c) Neither parallel nor at right angles
(b) At right angles (d) None of these
10. The point on the curve where the tangent is parallel to the line
– – is
(a) (2, 8) (b) (8, 2) (c) (6, 1) (d) (4, 2)
11. If √ is equal to:

(a) (c)
√ ( ) ⁄ √ ( ) ⁄
(b) (d) None of these
√ ( ) ⁄
12. If
( ) ( )
(a) (b) (c) (d)
( )

13. If
(a) (b) (c) (d)
14. If
(a) t (b) (c) (d) None of these
15. If ( ) ( )
(a) 100 (b) 99 (c) 98 (d) 97
16. If ( ) ( )

(a) (b) (c) (d)
17. If ( ) ( )
(a) 2345 (b) 5050 (c) 2030 (d) 4050
18. If ( ) ( )( )
(a) 1 (b) 2 (c) 3 (d) 4
19. For the curve √ √ at the point ( ) is
(a) 1 (b) 0 (c) (d) 2
20. The derivative of the function ( ) is
(a) (c)
(b) (d)
21. If x > 0, then the derivative of is
(a) (b) (c) (d)
22. If x ≠ 0, then the derivative of | | is
(a) (b) (c) (d)
23. The slope of the tangent to the curve at the point whose abscissa
is 2 is
(a) 36 (b) (c) √ (d)
24. Find the equations of the normal to the given curve at the indicated points:
( )
(a) =0 (c) =0
(b) =0 (d) =0
25. Find the slope of the normal to curve at the point whose x-
coordinate is 3.
(a) (b) (c) (d)
√ √

CASE STUDY
26. The equation of the tangent at point ( ) on the curve
Base on the above information, answer the following questions:
(i) The value of a and b are
(a) (c)
(b) (d)
(ii) The points on the given curve where the tangents and parallel to the line
are
(a) ( ))( ) (c) ( ) ) ( )
(b) ( ) ) ( ) (d) ( )( )
(iii) The equations of tangents to the given curve which are parallel to the line
are
(a)
(b)
(c)
(d)
(iv) The points on the given curve where the tangents are perpendicular to the line
are
(a) ( ) ( ) (c) ( ) ( )
(b) ( ) ( ) (d) ( ) ( )
(v) The equations of tangents to the given curve which are perpendicular to the line
are
(a)
(b)
(c)
(d)

Answer
1. A 9. B 17. B 25. A
2. D 10. A 18. D 26. i. A
3. A 11. B 19. C ii. B
4. B 12. D 20. A iii. A
5. A 13. A 21. B iv. C
6. B 14. B 22. D v. D
7. C 15. A 23. D
8. B 16. D 24. C

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