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<> x² - 2x - 4y² + 24y = 39
<> (x² - 2x) - (4y² - 24y) = 39
<> (x² - 2x + 1) - 4(y² - 6y + 9) = 39 + 1 - 36
<> (x - 1)² - 4(y - 3)² = 4
<> (x - 1)²/4 - (y - 3)²/1 = 1
Pusat (p, q) = (1, 3)
a² = 4 maka a = 2
Puncak:
A1(p + a, q) = (3, 3)
A2(p - a, q) = (-1, 3)