persamaan lingkaran
x² + y² - 4x - 10y - 13 = 0
berdasarkan persamaan
x² + y² + Ax + By + C = 0, didapat
A = -4
B = -10
maka, pusat lingkaran
= (-A/2, -B/2)
= (-(-4/2), -(-10/2)
= (2, 5)
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persamaan lingkaran
x² + y² - 4x - 10y - 13 = 0
berdasarkan persamaan
x² + y² + Ax + By + C = 0, didapat
A = -4
B = -10
maka, pusat lingkaran
= (-A/2, -B/2)
= (-(-4/2), -(-10/2)
= (2, 5)