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Hi, I am not able to solve the problem attached with the image.The Question is from ncert text book. Please provide me a hint.

Hi,
    I am not able to solve the problem attached with the image.The Question is from ncert text book. Please provide me a hint. 
 

Question Image
Grade:12

1 Answers

Jayant Kishore
144 Points
6 years ago
Substitute  tanx = t => sec2xdx =dt => dx=dt/(1+t2
Then integrate by parts to get the answer.
Please approve the answer..

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