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In the expansion of (3sqrt(a/b)+3sqrt(b/...

In the expansion of `(3sqrt(a/b)+3sqrt(b/sqrt(a)))^21`, the term containing same powers of a & b is

A

`11^("th")`

B

`13^("th")`

C

`12^("th")`

D

`6^("th)`

Text Solution

Verified by Experts

The correct Answer is:
B
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