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Greatest term in the binomial expansion ...

Greatest term in the binomial expansion of `(a + 2x)^9` when `a=1 & x =1/3` is :

A

`3^rd & 4 ^th`

B

`4^th & 5 ^th`

C

only `4^(th)`

D

only `5 ^th `

Text Solution

Verified by Experts

The correct Answer is:
B
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