Differentiation Jamb Mathematics Past Questions
Question 56
Differentiate \(\frac{2x}{\sin x}\) with respect to x.
- A. \(2 \cot x \sec x (1 + \tan x)\)
- B. \(2 \csc x - x \cot x\)
- C. \(2x \csc x + \tan x\)
- D. \(2\csc x(1 - x\cot x)\)
Question 57
Find the derivative of the function y = 2x\(^2\)(2x - 1) at the point x = -1?
- A. 18
- B. 16
- C. -4
- D. -6
