""^(2n+1)P(n-1): ""^(2n-1)P(n)=3:5 हो तो...

`""^(2n+1)P_(n-1): ""^(2n-1)P_(n)=3:5` हो तो n का मान होगा-

A

4

B

2

C

3

D

1

Verified by Experts

The correct Answer is:

A

""^(2n+1)P(n-1): ""^(2n-1)P(n)=3:5 हो तो n का मान होगा-
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If .^(2n+1)P(n-1): .^(2n-1)P(n)=3:5 , find n.
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