If the 4th term in the expansion of `(a x+1//x)^n` is 5/2, then `a=1/2` b. `n=8` c. `a=2/3` d. `n=6`

n th term in the expansion of (x+(1)/(x))^(2n)

If 4th term in the expansion of (kx+ 1/x)^n is 5/2 then (A) n=8 (B) n=6 (C) k=1/4 (D) k=1/2

Find the (r+1) th term in the expansion of ((x)/(a)-(a)/(x))^(2n)

If the 4 th term in the expansion of (a x + (1)/(x))^(n) is (5)/(2) , for all x in R then the values of a and n are respectively

Find the 7 th term n the expansion of (3x^(2)-(1)/(x^(3)))^(10)

Prove that the middle term in the expansion of (x+ 1/x)^(2n) is (1.3.5…(2n-1)/(n! 2^n

If the 6th,7th, 8th terms in the expansion of (x+y)^(n) be 112,7 and 1/4 find x,y and n.

Find the (n+1)th term from the end in the expansion of (2x - (1)/(x))^(3n)