Find : (5`x^2`- 6`y^2`)`^2`

If the pair of lines 6x^(2)-5xy-6y^(2)=0, 6x^(2)-5xy-6y^(2)+x+5y-1=0 form a square then area of square is

Find the like terms in the following: ax^2 y, 2x, 5y^2 , - 9x^2 ,-6x, 7xy, 18y^2 .

Find the equations to two lines represented by the equation. x^(2)-5xy+6y^(2)=0

Find the pole of x-2y + 22 = 0 with respect to x^(2) + y^(2) - 5 x + 8y + 6 =0

Find the radical centre of the following circles. x^2 + y^2 - 4x - 6y + 5 = 0 " __"(i) x^2 + y^2 - 2x -4y - 1 = 0" ___"(ii) x^2 + y^2 - 6x - 2y = 0 " __"(iii)

Find the sum of: 7x^2y and -6x^2y

Find the equation and length of the common chord of the following circles. x^2 + y^2 - 5x - 6y + 4 = 0, x^2 + y^2 - 2x -2 = 0