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If a function is written as : y(1)=sin...

If a function is written as `:`
`y_(1)=sin(4x^(2)) &` another function is `y_(2)=ln(x^(3))` then `:`
`(dy_(2))/(dx)` will be

A

`(1)/(x^(3))`

B

`(3)/(x)`

C

`-(1)/(x^(3))`

D

`(3)/(x^(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
`y_(2)=lnx^(3)rArr(dy_(2))/(dx)=(3x^(2))/(x^(3))=(3)/(x)`
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