JEE Advanced 2020 Concept Recapitulation Test 2 Paper 2

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Question : 53 of 54
 
Marks: +1, -0
If ‌
Ï€
2
<α
<‌
2Ï€
3
and I=
∫
0
man
‌
dx
√(4cos2α−x2)
then the value of ‌
(1+α)
5Ï€
must be
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