" (viii) "5y^(2)+12y-9=0

9y^(2)-12y+2=0

Find the centre and radius of the circle x^(2)+y^(2)+10x-12y+9=0

Find the equation of the radical axis of the circles x^(2)+y^(2)-4x+6y-7=0,4(x^(2)+y^(2))+8x+12y-9=0

Find the equation of radical axis of the circles x^(2)+y^(2)+4x+6y-7=0, 4(x^(2)+y^(2))+8x+12y-9=0 .

Find the equation of the radical axis of the following circles x^(2)+y^(2)+4x+6y-7=0,4(x^(2)+y^(2))+8x+12y-9=0

O, A, B are vertices of triangle whose sides are given by (5x+12y)^(2)-3(12x-5y)^(2)=0, 5x+12y-78=0 then AB =

The circle 4x^(2)+4y^(2)-12x-12y+9=0