Coloque aqui todas as dúvidas que tiver sobre hiperbolóides, hipérboles, parabolóides, parábolas, planos, rectas e outras equações tridimensionais
15 jan 2016, 14:37
\(9x^{2}-4y^{2}-54x+8y+113=0\)
15 jan 2016, 14:38
9x^2-4y^2-54x+8y+113=0
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