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If y=x^(3)cosx" then "(dy)/(dx)=……………………...

If `y=x^(3)cosx" then "(dy)/(dx)`=……………………

A

`x^(2)(3cosx-xsinx)`

B

`x^(2)(3cosx+xsinx)`

C

`3x^(2).cosx+x^(3)sinx`

D

None of these

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The correct Answer is:
A
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