If y 2x 1 3 find dy dx - JAMB Mathematics 2010 Question
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 option: d
y = (2x + 1)3
dy/dx = 3(2x + 1)3-1 x 2
= 3(2x + 1)2 x 2
= 6(2x + 1)2
dy/dx = 3(2x + 1)3-1 x 2
= 3(2x + 1)2 x 2
= 6(2x + 1)2
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