Book: Mathematics Part-II
Chapter: 7. Integrals
Subject: Maths - Class 12th
Q. No. 10 of Exercise 7.9
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10
Evaluate 
Let I = 
⇒ I = 
[
]
⇒ I = 
⇒ I = tan-1(1) – tan-1(0) = π/4 – 0
⇒ I = π/4
∴ 
= π/4
10
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