The common tangents to the circles `x^2 + y^2 + 2x =0 and x^2 + y^2-6x=0` form a triangle which is

The common tangents to the circles x^(2) +y^(2) +2x = 0 and x^(2) +y^(2) -6x= 0 from a triangle which is :

The number of common tangents to the circles x^2+y^2-x = 0 and x^2 + y^2 + x = 0 are

Show that the common tangents to the circles x^2+y^2-6x=0 and x^2+y^2+2x=0 from an equilateral triangle.

The common tangents to the circles x^(2)+y^(2)-6x=0, x^(2)+y^(2)+2x=0 from

The number of common tangents to the circles x^2+y^2=4 and x^2+y^2-6x-8y-24=0 is

The number of common tangents to the circles x^2+y^2-y=0 and x^2+y^2+y=0 is :

The number of common tangents to the circles x^(2)+y^(2)-x=0 and x^(2)+y^(2)+x=0 are