If r^(th) (r+1)^(th) terms in the expans...

If `r^(th) (r+1)^(th)` terms in the expansion of `(p+q)^(n)` are equal ,then `((n+1)q)/(r(p+q))` is

A

0

B

1

C

`1/4`

D

`1/2`

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The correct Answer is:

B

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