Question on: JAMB Mathematics - 2021
Find the derivative of the function y = 2x\(^2\)(2x - 1) at the point x = -1
A
-4
B
16
C
18
D
-8
Ask EduPadi AI for a detailed answer
Correct Option: B
***
y = 2x\(^2\)(2x - 1)
y = 4x\(^3\) - 2x\(^2\)
dy/dx = 12x\(^2\) - 4x
at x = -1,
dy/dx = 12(-1)\(^2\) - 4(-1)
= 12 + 4 = 16
Add your answer
Please share this, thanks!
No responses