If y = (2x + 1)3 find dy/dx
-
A.
3(2x+1)2 -
B.
6(2x+1) -
C.
3(2x+1) -
D.
6(2x+1)2
Correct Answer: Option D
Explanation
y = (2x + 1)3
dy/dx = 3(2x + 1)3-1 x 2
= 3(2x + 1)2 x 2
= 6(2x + 1)2
y = (2x + 1)3
dy/dx = 3(2x + 1)3-1 x 2
= 3(2x + 1)2 x 2
= 6(2x + 1)2