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If int ((x^2-x+1)/(x^2+1) ) e^(cot^(-1)x...

If `int ((x^2-x+1)/(x^2+1) ) e^(cot^(-1)x dx)=A(x) e^(cot^(-1)x)+c, A=`

A

`-x`

B

x

C

`sqrt(1-x)`

D

`sqrt(1+x)`

Text Solution

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-INDEFINITE INTEGRATION-QUESTION FROM PREVIOUS YEARS.AIEEE/JEE MAIN PAPERS
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