Mathematics Part-II

Book: Mathematics Part-II

Chapter: 7. Integrals

Subject: Maths - Class 12th

Q. No. 27 of Miscellaneous Exercise

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27

Evaluate the definite integral:

Given:














First solve for I1:



Let 2 tan x = t 2 sec2x dx dt


When x = 0 then t = 0 and when x = π /2 then t = ∞







Put this value in equ.(2)




27

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