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Let nge5 and bne0. In the binomial expan...

Let `nge5 and bne0`. In the binomial expansion of `(a-b)^(n)`, the sum of the `5^(th) and 6^(th)` terms is zero. Then `a//b` equals

A

`(n-5)/(6) `

B

`(n-4)/(5) `

C

`(5)/(n-4) `

D

`(6)/(n-5) `

Text Solution

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The correct Answer is:
B
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