" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x² + y² + 6x - 22y + 45 = 0
_____________________-
-12x + 24y - 60 = 0 (:12)
-x + 2y - 5 = 0
y = (x+5) / 2
Masukkan ke persamaan pertama::
x² + (x² + 10x + 25)/4 - 6x + (x + 5) - 15 = 0 (x4)
4x² + x² + 10x + 25 - 24x + 4x + 20 - 60 = 0
5x² - 10x - 15 = 0 (:5)
x² - 2x - 3 = 0
(x - 3)(x + 1) = 0
x = 3 »»» y = 3+5 / 2 = 4 (3, 4)
x = -1 »»» y = -1+5 / 2 = 2 (-1, 2)