Thrice `x` added to `y` squared is written as: `3x y^2` (b) `x^2+y` (c) `x+y^2` (d) `3x+y^2`

Thrice x added to y squared is written as: (a) 3x y^2 (b) x^2+y (c) x+y^2 (d) 3x+y^2

Thrice x added to y squared is written as: 3xy^(2)( b) x^(2)+y( c) x+y^(2)( d) 3x+y^(2)

The quotient of x\ b y\ y added to the product of x\ a n d\ y is written as (a) x/y+x y (b) y/x+\ x y (c) (x y+x)/y (d) (x y+y)/x

If the pairs of lines x^2+2x y+a y^2=0 and a x^2+2x y+y^2=0 have exactly one line in common, then the joint equation of the other two lines is given by (a) 3x^2+8x y-3y^2=0 (b) 3x^2+10 x y+3y^2=0 (c) y^2+2x y-3x^2=0 (d) x^2+2x y-3y^2=0

If the pairs of lines x^2+2x y+a y^2=0 and a x^2+2x y+y^2=0 have exactly one line in common, then the joint equation of the other two lines is given by (a) 3x^2+8x y-3y^2=0 (b) 3x^2+10 x y+3y^2=0 (c) y^2+2x y-3x^2=0 (d) x^2+2x y-3y^2=0

The quotient of x\ b y\ 3 is multiplied by y is written as (a) x/(3y) (b) (3x)/y (c) (3y)/x (d) (x y)/3

If 2x^2y\ a n d\ 3x y^2 denote the length and breadth of a rectangle, then its area is (a) 6x y (b) 6x^2y^2 (c) 6x^3y^3 (d) x^3y^3

The quotient of x by 3is multiplied by y is written as (x)/(3y) (b) (3x)/(y) (c) (3y)/(x) (d) (xy)/(3)

(x+y)^3−(x−y)^3 can be factorized as (a) 2y(3x^2+y^2) (b) 2x(3x^2+y^2) (c) 2y(3y^2+x^2) (d) 2x(x^2 +3y^2)

What should be added to x y+y z+z x to get x y-y z-z x ? (a) -2x y-2y z-2z x (b) -3x y-y z-z x (c) -3x y-3y z-3z x (d) 2x y+2y z+2z x