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4th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781337687805

Chapter T, Problem 3BDT

To determine

**To find:** The center and radius of the circle with equation

Expert Solution

The center of the circle is at the point

**Formula used:**

The equation of the circle is
*r* is the radius of the circle.

**Calculation:**

It is given that the equation of the circle is

Simplify the above equation as follows,

Compare the equations

It is clear that

The center of the circle is at the point

The radius of the circle is

Thus, the center of the circle is at the point