Dt0wn10
Dt0wn10
06-04-2015
Mathematics
contestada
x^2+y^2-6x+16y-152=0
Respuesta :
Panoyin
Panoyin
06-04-2015
x² + y² - 6x + 16y - 152 = 0
x² - 6x + y² + 16y - 152 = 0
x² - 6x + y² + 6y = 152
(x² - 6x + 9) + (y² + 6y + 9) = 152 + 9 + 9
(x - 3)²
+
(y + 3)²
=
170
170 170 170
(x - 3)²/170 + (y + 3)²/170 = 1
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