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In the binomial expansion of (a - b)^(n)...

In the binomial expansion of `(a - b)^(n) , n ge 5` , the sum of
the ` 5^(th) and 6^(th)` terms is zero. Then, `a//b` equals

A

`5/(n-4)`

B

`6/(n-5)`

C

`(n-5)/6`

D

`(n-4)/5`

Text Solution

Verified by Experts

The correct Answer is:
D
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