Find the 2th term of the extension `(x - 1/x)^10`

Find the 3th term of the extension (2a+b)^8

Find the 4^th term in the expansion of (x-2y)^12 .

Find the 13t^th term in the expansion of ( 9x-1/3sqrtx)^18 , x !=0.

The coefficient of the 10th term in ,the expansion of (x-(1)/(x))^(20) is -

Determine : the 11th term in the expansion of (x-(1)/(x))^(20)

Find the sum to n terms of the sequence (x+1//x)^2,(x^2+1//x)^2,(x^3+1//x)^2 , ....

If absx lt 2/3 then the 4^(th) term in the expansion of (1+3/2x)^(1/2) is

The. coefficient of 10th term in the expansion of (x+1/x)^20

Find the 6th term in expansion of (2x^2-1/(3x^2))^(10)dot

If the 5th term of the expansion of (x^(2//3)+x^-1)^n is the term independet of x,then find th value of n.