" If two circles with centres "C_(1),C_(2)" and same radius "'" y cut each other orthogonally,then "

Two circles with centres C_(1),C_(2) and same radius r cut each other orthogonally,then r is

Two circles with centers A and B and radius 2 touch each other externally at C.A third circle with center C and radius 2 meets the other two at D,E Then area ABDE is

Two circles with centres at C_(1) , C_(2) and having radii r_(1) , r_(2) will intersect each in two real distinct points if , and only if :

If two circles of the same radius r and centres at (-1,2) and (3,6) respectively cut orthogonally,then the value of r is

Draw circles with centres A,B and C each of radius 3 cm, such that each circle touches the other two circles.

Prove that the curves 2y^(2)=x^(3) and y^(2)=32x cut each other orthogonally at the origin

Prove that the curves y=x^(3) and xy-k cut each other orthogonally, if 3k= 1.

If the curve ax^(2) + 3y^(2) = 1 and 2x^2 + 6y^2 = 1 cut each other orthogonally then the value of 2a :

A square OABC is formed by line pairs xy=0 and xy+1=x+y where o is the origin .A circle with circle C_(1) inside the square is drawn to touch the line pair xy=0 and another circle with centre C_(2) and radius twice that C_(1) is drawn touch the circle C_(1) and the other line . The radius of the circle with centre C_(1)

A square OABC is formed by line pairs xy=0 and xy+1=x+y where o is the origin .A circle with circle C_(1) inside the square is drawn to touch the line pair xy=0 and another circle with centre C_(2) and radius twice that C_(1) is drawn touch the circle C_(1) and the other line . The radius of the circle with centre C_(1)