CBSE Class 12 Math 2019 Delhi Set 1 Solved Paper

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Question : 20
Total: 29
Prove that
a
∫
0
f(x)dx
=
a
∫
0
f(a−x)dx
, hence evaluate
Ï€
∫
0
‌
xsin‌x
1+cos2x
d
x
.
Solution:  
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