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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.

Anantha Krishnan , 9 Years ago
Grade 12
anser 1 Answers
Jayant Kishore

Last Activity: 9 Years ago

Substitute  tanx = t => sec2xdx =dt => dx=dt/(1+t2) 
Then integrate by parts to get the answer.
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