If the 4^(th) term in the expansion of (...

If the `4^(th)` term in the expansion of `(ax+(1)/(x))^('')` is `5/2` then the values of a and n are

A

`9/2`

B

`(11)/(2)`

C

`(13)/(2)`

D

`(15)/(2)`

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The correct Answer is:

c

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