x^(8)-y^(8)

The equation of the parabola with focus (0,0) and directrix x+y=4 is x^(2)+y^(2)-2xy+8x+8y-16=0x^(2)+y^(2)+8x+8y-16=0x^(2)+y^(2)-2xy+8x+8y=0x^(2)-y^(2)+8x+8y-16=0

Find the equation of the common tangent of the following circles at their point of contact x^(2)+y^(2)=10x-2y+22=0, x^(2)+y^(2)+2x=8y+8=0

Tangents are drawn to the circle x^(2)+y^(2)=16 at the points where it intersects the circle x^(2)+y^(2)-6x-8y-8=0 , then the point of intersection of these tangents is

Tangents are drawn to the circle x^(2)+y^(2)=16 at the points where it intersects the circle x^(2)+y^(2)-6x-8y-8=0 , then the point of intersection of these tangents is

A square is inscribed in the circle x^(2)+y^(2)-2x+8y-8=0 whose diagonals are parallel to axes and a vertex in the first quadrant is A then OA is

Angle between tangents drawn from a points P to circle x^(2)+y^(2)-4x-8y+8=0 is 60^(@) then length of chord of contact of P is

Angle between tangents drawn from a points P to circle x^(2)+y^(2)-4x-8y+8=0 is 60^(@) then length of chord of contact of P is

Equation of unit circle concentric with circle x^(2)+y^(2)+8x+4y-8=0 is

Write the equation of the unit circle concentric with x^(2)+y^(2)-8x+4y-8=0

If x-2y+2z=0, then x^(3)-8y^(3)+8z^(3) is equal to