The centre of a circle is `(2x-1, 3x++1)` and radius is 10 units. Find the value of `x` if the circle passes through the point `(-3, -1)`.

The centre of a circle is (2x - 1, 3x + 1). Find x if the circle passes through (-3, 1) and the length of diameter is 20 unit.

A circle passes through the points (3, 4), (-1, 2) and its radius is 5 unit, find the equation of the circle.

A circle has radius 3 units and its centre lies on the line y=x-1. Find the equation of the circle if it passes through (7,3).

A circle has radius 3 units and its centre lies on the line y=x-1. Find the equation of the circle,if it passes through (7,3) .

A circle has radius 3 units and its centre lies on the line y=x-1. Find the equation of the circle if it passes through (7,3).

Find the equation, centre, and radius of a circle which is passes through the points (3, 4), (3, -6) and (-1, 2).

Consider a circle with centre (2,-1) and which passes through (3,6) Find the radius of the circle

Solve the following:Find the co-ordinates of centre of the circle whose radius is 3 units and which touches internally to the circle x^2+y^2-4x-6y-12=0 at point (-1,-1).