Find the 9th term in the expansion of .
To find: 9th term in the expansion of
Formula used: (i)
(ii) Tr+1 = nCr an-r br
For 9th term, r+1=9
⇒ r = 8
In,
9th term = T8+1
⇒ 12C8
⇒
⇒ 495
Ans)