passpadi

2010

Mathematics

JAMB

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: 6(2x+1)2

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
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