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Differentiation - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Question 21:


The derivative of cosec x is

A. Tan x cosec x
B. -cot x cosec x
C. Tan x sec x
D. -cot x sec x


Question 22:


Two variables x and y are such that dydx = 4x - 3 and y = 5 when x = 2. Find y in terms of x

A. 2x2 - 3x + 5
B. 2x2 - 3x + 3
C. 2x2 - 3x
D. 4


Question 23:


Find the area bounded by the curve y = 3x2 - 2x + 1, the ordinates x = 1 and x = 3 and the x-axis.

A. 24
B. 22
C. 21
D. 20


Question 24:


Differentiate 6x35x2+13x2 with respect to x

A. 2+23x3
B. 2 + 16x
C. 2 - 23x3
D. 15


Question 25:


ddx cos(3x2 - 2x) is equal to

A. -sin(6x - 2)
B. -sin(3x2 - 2x)dx
C. (6x - 2) sin(3x2 - 2x)
D. -(6x - 2)sin(3x2 - 2x)






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