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Let the equation of a curve passing thro...

Let the equation of a curve passing through the point (0,1) be given b `y=intx^2e^(x^3)dx`. If the equation of the curve is written in the form `x=f(y)`, then f(y) is

A

`sqrt(log_(e)(3y-2))`

B

`root(3)(log_(e)(3y-2))`

C

`root(3)(log_(e)(2-3y))`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
b

We have , `y=intx^(2)e^(x^(3))dx=(1)/(3)inte^(x^(3))d(x^(3))=(1)/(3)e^(x^(3))+C`.
It passes throught ( 0 , 1) Therefore ,
`1=(1)/(3)+CrArrC=(2)/(3)`
`thereforey=(1)/(3)e^(x^(3))+(2)/(3)`
`rArr3y=e^(x^(3))+2`
` rArr e^(x^(3))=3y=2rArrx^(3)-log_(e)(3y-2)rarrc=root(3)(log_(e)(3y-2))`
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