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If int ((x cos alpha+1)dx)/((x^(2)+2x c...

If `int ((x cos alpha+1)dx)/((x^(2)+2x cos alpha+1)^(3//2))=(f(x))/(sqrt(x^(2)+2x cos alpha+ 1))+c` then f(x)=

A

x

B

`x^(2)`

C

`2x`

D

`2x^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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