x^(12)-y^(12)

Equation of radical axis of the circles x^(2) + y^(2) - 3x - 4y + 5 = 0 and 2x^(2) + 2y^(2) - 10x - 12y + 12 = 0 is

The circles x^(2)+y^(2)+6x+6y=0 and x^(2)+y^(2)-12x-12y=0

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

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

The set of values of 'a' for which the point (a-1, a+1) lies outside the circle x^(2)+y^(2)=8 and inside the circle x^(2)+y^(2)-12x+12y-62=0 , is

The set of values of 'a' for which the point (a-1, a+1) lies outside the circle x^(2)+y^(2)=8 and inside the circle x^(2)+y^(2)-12x+12y-62=0 , is

Show that the circle 4x^(2)+4y^(2)-12x-12y+9=0 touches both the coordinate axes.

The radical centre of the circles x^(2) + y^(2)- 2x + 6y = 0 , x^(2) + y^(2) - 4x - 2y + 6 = 0 , x^(2) + y^(2) - 12x + 12y + 30 = 0 is

The circles x^(2)+y^(2)-12x-12y=0 and x^(2)+y^(2)+6x+6y=0 .touch each other externally touch each other internally intersect at two points none of these

The circles x^(2)+y^(2)-12x-12y=0 and x^(2)+y^(2)+6x+6y=0:( a) intersect in two points.(b) touch each other externally.(c) touch each other internally.(d) None of these