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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 fifth and sixth 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

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The correct Answer is:
D
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