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WBJEE 2023 Math Solved Paper
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© examsnet.com
Question : 10
Total: 75
If
I
n
=
π
2
∫
0
cos
n
x
cos
n
x
dx
, then
I
1
,
I
2
,
I
3
.
.
.
are in
A.P.
G.P.
H.P.
no such relation
Validate
Solution:
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