Find the center and radius of the sphere with the equation $x ^ { 2 } - 2 x + y ^ { 2 } - 4 y + z ^ { 2 } + 1 = 0$

Name: Find the center and radius of the sphere with the equation $x ^ { 2 } - 2 x + y ^ { 2 } - 4 y + z ^ { 2 } + 1 = 0$
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The Answer of Find the center and radius of the sphere with the equation $x ^ { 2 } - 2 x + y ^ { 2 } - 4 y + z ^ { 2 } + 1 = 0$

Find the Center and Radius of the Sphere with the Equation