What is the center of a circle whose equation is x2 + y2 + 4x - 8y + 1

1.	What is the center of a circle whose equation is x2 + y2 + 4x - 8y + 11 = 0?
Answer» What is the center of a circle whose equation is x²+ y²+ 4x - 8y + 11 = 0? Solution:

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