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JEE Main 26 Feb 2021 Shift 2 Solved Paper

Section: Mathematics
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Question : 84 of 89
 
Marks: +1, -0
If Imâ‹…n=
1
∫
0
xm−1(1−x)n−1dx, for m,n≥1 and
1
∫
0
‌
xm−1+xn−1
(1+x)m+n
dx=αlm⋅n,α∈R, then α equals ______.
[26 Feb 2021 Shift 2]
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