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Ax^2+Bxy+C y^2+Dx+Ey+F = zero

There are basically four types of conic sections, which are as follows:-

1) One is circles.

2) Second is ellipses

3) Third is hyperbolas and

4) Last is a parabola.

In this conic section we will deal with circles equations, which are shown below:-

(x- h)^2 + (y-k) ^2 = r^2

Here h, k is the centre of circle and r is the radius of circle.

Now we will see some examples based on conic sections

=> Radius = 7 cm

=> We know that the equation of circle is:- (x- h)^2 + (y-k) ^2 = r^2

=> Therefore by substitution, we get (x- 3)^2 + (y-4) ^2 = 7^2

=> Radius r = 10 cm.

=> We know that the equation of circle is:- (x- h)^2 + (y-k) ^2 = r^2

=> Therefore by substitution, we get (x- 1)^2 + (y-2) ^2 = 10^2