Jawab:
Penjelasan dengan langkah-langkah:
r = jari-jari
r = AB
r = 4
Titik pusat A (2, 1)
Persamaan lingkaran :
(x - 2)² + (y - 1)² = 4²
x² - 4x + 4 + y² - 2y + 1 = 16
x² + y² - 4x - 2y + 4 + 1 - 16 = 0
x² + y² - 4x - 2y - 11 = 0 (A)
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Jawab:
Penjelasan dengan langkah-langkah:
r = jari-jari
r = AB
r = 4
Titik pusat A (2, 1)
Persamaan lingkaran :
(x - 2)² + (y - 1)² = 4²
x² - 4x + 4 + y² - 2y + 1 = 16
x² + y² - 4x - 2y + 4 + 1 - 16 = 0
x² + y² - 4x - 2y - 11 = 0 (A)