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if intxtan^-1x dx=utan^-1x-x/2+c then u=...

if `intxtan^-1x dx=utan^-1x-x/2+c` then `u=`

A

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

B

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

C

`1-x^(2)`

D

`x^(2)+1`

Text Solution

Verified by Experts

The correct Answer is:
B
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