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If u=f(x^3),v=g(x^2),f'(x)=cosx, and g'(...

If `u=f(x^3),v=g(x^2),f'(x)=cosx,` and `g'(x)=sinx,` then `(du)/(dv)` is

A

`3/2 x cosx^3cosecx^2`

B

`2/3sinx^3secx^2`

C

`tanx`

D

none of these

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The correct Answer is:
A
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