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If (r+1)^(th) term is (3.5...(2r-1))/(r!...

If `(r+1)^(th)` term is `(3.5...(2r-1))/(r!) (1/5)^(r)`, then this is the term of binomial expansion-

A

`(1-2/5)^(1//5)`

B

`(1-2/5)^(-1//2)`

C

`(1+2/5)^(-1//2)`

D

`(1+2/5)^(1//2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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