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JEE MAIN 2021
20-07-2021 S2
Question
For the natural numbers $m, n$, if $(1-y)^m(1+y)^n=1+a_1 y+a_2 y^2+\ldots . .+a_{m+n} y^{m+n}$ and $a_1=a_2=10$, then the value of $(m+n)$ is equal to :
Select the correct option:
A
88
B
64
C
100
D
80
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Mathematics
Medium
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