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Ecuación de la circunferencia centro (2, -1) radio 5 . (Resp.: (x-2)^2 + (y+1)^2 = 25 .)
Ecuación de la circunferencia centro (2, -1) radio 5 . (Resp.: (x-2)^2 + (y+1)^2 = 25 .)
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