4. Find the center and radius of the circle represented by the equation
\( x ^ { 2 } + y ^ { 2 } + 4 x - 10 y + 20 = 0\)
Pregunta
Answer
\(x ^ { 2 } + y ^ { 2 } + 4 x - 10 y + 20 = 0 : \quad \) Circle with center at \( ( - 2,5 ) \) and radius \( r = 3\)
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