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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

`(n-5)/( 6)`

B

`(n-4)/( 5)`

C

`(5)/(n-4)`

D

`(6)/(n-5)`

Text Solution

Verified by Experts

The correct Answer is:
B
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DISHA PUBLICATION-BINOMIAL THEOREM -EXERCISE-1 (CONCEPT BUILDER )
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