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Let f(x) = sin x , g (x) = x^2 and h(x)...

Let `f(x) = sin x , g (x) = x^2 and h(x) = ln x` if `phi(x) = h (f(g(x)))` then `phi^('')(x) = `

A

`2x cot x^2`

B

`2x cotx^2-4x^2 "cosec"^2x^2`

C

`2 cotx^2`

D

`2x cot x`

Text Solution

Verified by Experts

The correct Answer is:
B
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