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WBJEE 2017 Math Solved Paper
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© examsnet.com
Question : 56
Total: 75
Let
I
=
100
π
∫
0
√
(
1
−
c
o
s
2
x
)
dx
, then
I
=
0
I
=
200
√
2
I
=
π
√
2
I
=
100
Validate
Solution:
I
=
100
π
∫
0
√
1
−
c
o
s
2
x
dx
=
100
√
2
π
∫
0
|
s
i
n
x
|
dx
=
200
√
2
© examsnet.com
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