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

Find the sum of the squares of the roots of 3x^3-2x^2+4x+1=0

Find the sum to infinity of the series 1^2+2^2x+3^2x^2+oodot

Find the sum of the series 1+3x+5x^2+7x^3+...... n terms.

Find the term independent of x in the expansion of (x^(2) - 1/x)^(7)

Find the sum of the coefficients in the expansion of (1+2x+3x^2+ n x^n)^2dot

Find the term independent of x in the expansion of (1+x+2x^3)[(3x^2//2)-(1//3x)]^9

The sum of first n terms of the series 1 + (1 + x) y+ (1 + x + x^(2)) y^(2) + (1 + x + x^(2) + x^(3))y^(3) + ……….. is

The sum of the polynomials p(x) =x^(3) -x^(2) -2, q(x) =x^(2) -3x+ 1

Find the term independent of x in the expansion of (3/2x^(2) - 1/(3x))^(6) .

Find the sum of coefficients in (1+x-3x^2)^(4163)dot