4x^(2)-y^(2)+4y-4

What are the factors of x^(2)+4y^(2)+4y-4xy-2x-8 ?

The factors of x^(2)+4y^(2)+4y-4xy-2x-8 are (a)(x-2y-4)(x-2y+2)(b)(x-y+2)(x-4y-4)(c)(x+2y-4)(x+2y+2) (d) none of these

If x=sintheta+costhetaandy=sintheta.costheta , then what is the value of x^(4)-4x^(2)y-2x^(2)+4y^(2)+4y+1 ?

Product of lengths of perpendiculars drawn from any foci of the hyperbola x^(2)-4y^(2)-4x+8y+4=0 to its asymptotes is

Let (x,y) be a variable point on the curve 4x^(2)+9y^(2)-8x-36y+15=0 then min(x^(2)-2x+y^(2)-4y+5)+max(x^(2)-2x+y^(2)-4y+5)

Find the centre and radius of the circle 4x^(2) + 4y^(2) + 16y -4x = 19.

Find the centre and radius of the circle 4x^(2) + 4y^(2) + 16y -4x = 19.

Show that (x^(2)+y^(2))^(4)=(x^(4)-6x^(2)y^(2)+y^(4))^(2)+(4x^(3)y-4xy^(3))^(2)

Statement 1: The equations of the straight lines joining the origin to the points of intersection of x^(2)+y^(2)-4x-2y=4 and x^(2)+y^(2)-2x-4y-4=0 is x-y=0 . Statement 2: y+x=0 is the common chord of x^(2)+y^(2)-4x-2y=4 and x^(2)+y^(2)-2x-4y-4=0