Two circles, each of radius 5 units, touch each other at (1, 2). If the equation of their common tangents is `4x+3y=10` , find the equations of the circles.

Two circles each of radius 5 units touch each other at the point (1, 2). If the equation of their common tangent is 4x+3y=10 , and C_(1)(alpha, beta) and C_(2)(gamma, delta), C_(1) ne C_(2) are their centres, then |(alpha+beta) (gamma+delta)| is equal to _______.

If two circles of radius 4cm and 1cm touch each other externally then length of the direct common tangents is

Two circles with radius 5 touches at the point (1,2). If the equation of common tangent is 4x+3y=10 and one of the circle is x^(2)+y^(2)+6x+2y-15=0. Find the equation of other circle.

Two circles with radii 25 cm and 9 cm touch each other externally. The length of the direct common tangent is

Two circles of radius 5 cm and 4 cm touch each other. Find the distance between their centers.

Two circles, each of radius 5, have a common tangent at (1, 1) whose equation is 3x+4y-7=0 . Then their centres, are

There are two circles touching each other at (1,2) with equal radii 5cm and there is common tangent for these two circles 4x+3y=10 . The centres of 1st circle is (alpha,beta) and centre of 2nd circle is (gamma,delta) . Then find abs((alpha+beta)(gamma+beta))=?

Two circles of radii a and b touch each other externally and theta be the angle between their direct common tangents (a>b>=2) then