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If the antiderivative of (1)/(x^(2)sqrt(...

If the antiderivative of `(1)/(x^(2)sqrt(1+x^(2)))` is `-sqrt(f(x))/(x)+C` then f(x) is equal to

A

`1 + 1//x^(2)`

B

`tan^(-1)x`

C

`1+x^(2)`

D

`2sqrt(1+x^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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