$\"\"$

The equation of the sphere is $\"\"$ .

The general equation of a sphere with center at $\"\"$ and radius $\"\"$ is $\"\"$ .

Convert the given equation into general sphere equation.

$\"\"$

Compare the obtained equation with general equation of a sphere.

Center $\"\"$ .

Radius $\"\"$ .

$\"\"$

Center of the sphere $\"\"$ and radius of the sphere is $\"\"$ .