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d/(dx)(x^(2) + cosx)^(4) =...

`d/(dx)(x^(2) + cosx)^(4)` =

A

`4(x^(2) + cos x)(2x - sin x)`

B

`4(x^(2) - cos x)^(3)(2x - sin x)`

C

`4(x^(2) + cos x)^(3)(2x - sin x)`

D

`4(x^(2) + cos x)^(3)(2x + sin x)`

Text Solution

Verified by Experts

The correct Answer is:
C
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