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CBSE Class 12 Math 2019 Delhi Set 1 Solved Paper

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Question : 20 of 29
Marks: +1, -0
Prove that
a
∫
0
f(x)dx=
a
∫
0
f(a−x)dx, hence evaluate
π
∫
0
‌
xsin‌x
1+cos2x
dx.
Solution:  
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