AM-754

Equation of a circle (centre–radius form)

A Math · Secondary 3 · Hard · Equation of a circle (centre–radius form)

A circle has centre

(h,k)

and passes through the point

(2,3)

. Its equation is

x^2 + y^2 - 4x - 6y - 3 = 0.

Find the coordinates of the centre of the circle.

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