Which term is independent of x, in the expansion of 
?
Given:
⇒ x(9-k-2k)=x0
⇒ 9-3k=0
⇒ k=3
So 4th term is independent of x.
1
Which term is independent of x, in the expansion of ?
Given:
⇒ x(9-k-2k)=x0
⇒ 9-3k=0
⇒ k=3
So 4th term is independent of x.