`(x+y) + (x^2+xy+y^2)+(x^3+x^2y+y^2x+y^3)+........+n` terms =

Find the sum of n terms of series (x+y) + (x^2+ xy +y^2)+(x^3+x^2y+xy^2+y^3)+..................

Find the sum of n terms of series (x+y) + (x^2+ xy +y^2)+(x^3+x^2y+xy^2+y^3)+..................

Find the sum of n terms of the series (x+y)+(x^(2)+xy+y^(2))+(x^(3)+x^(2)y+xy^(2)+y^(3))+...

Add : x^(3) - x^(2)y + 5xy^(2) + y^(3) , -x^(3) - 9xy^(2) + y^(3), 3x^(2)y + 9xy^(2)

The factors of x^3-x^2y-x y^2+y^3 are (a (x+y)(x^2-x y+y^2) (b) (x+y)(x^2+x y+y^2) (c) (x+y)^2(x-y) (d) (x-y)^2(x+y)

Solve for (x - 1)^(2) and (y + 3)^(2) , 2x^(2) - 5y^(2) - x - 27y - 26 = 3(x + y + 5) and 4x^(2) - 3y^(2) - 2xy + 2x - 32y - 16 = (x - y + 4)^(2) .

Sum the series : x(x+y)+x^2(x^2+y^2)+x^3(x^3+y^3+ ton terms.

For real numbers x and y, let M be the maximum value of expression x^4y + x^3y + x^2 y + x y + xy^2 + xy^3 + xy^4 , subject to x + y = 3 . Find [M] where [.] = G.I.F.

Simplify: 2x^(2)+3xy -3y^(2)+x^(2)-xy+y^(2)