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MATHEMATICS

JAMB 2010 - Question 40

Mathematics 2010 JAMB Past Questions - Question 40: If y=(2x+1)³ , find dy/dx

If y=(2x+1)³ , find dy/dx

A: 3(2x+1)^2

B: 3(2x+1)

C: 6(2x+1)

D: 6(2x+1)^2

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Correct Answer

Explanation

y = (2x + 1)^3dy/dx = 3(2x + 1)3-1 x 2= 3(2x + 1)2 x 2= 6(2x + 1)2