If the expression `ax^3+2x^2y-bxy^2-2y^3` is symmetric, then `(a,b)` =

If the expression ax^(3)+2x^(2)y-bxy^(2)-2y^(3) is symmetric,then (a,b)=

If the expression ax^(3) + 2x^(2) y - bx y^(2) -2y^(3) is symmetric, then (a,b) =

Are the expressions a-b+2x^2+y^2-x y ,\ x^3-2y^3-3x^2\ y^2z\ etc. trinomials?

If the equation x^(3)+ax^(2)y+bxy^(2)+y^(3)=0 represents three lines two of which are perpendicular then equation of third line is

Consider the expressions given below and find if the expressions are symmetric or not (a) ax + ay + b (b) ax^(2) + bxy + ay^(2)

Factorise the following expressions. ax^2y + bxy^2 + cxyz

Factorize each of the following expressions: x a^2+x b^2-y a^2-y b^2 (2) x^2+x y a+x z+y z (3) 2a x+b x+2a y+b y (4) a b-b y-a y+y^2

Add the following expressions: (i) x^3-2x^2y+3x y^2-y^3,\ 2x^3-5x y^2+3x^2y-4y^3 (ii) a^2-2a^3b+3a b^3+4a^2b^2+3b^4,-2a^2-5a b^3+7a^3b-6a^2b^2+b^4

Add the following expressions: (i) x^3-2x^2y+3x y^2-y^3,\ 2x^3-5x y^2+3x^2y-4y^3 (ii) a^2-2a^3b+3a b^3+4a^2b^2+3b^4,-2a^4-5a b^3+7a^3b-6a^2b^2+b^4