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Kelas : XI
2x² + 2y² - 8x = 12y - 24 = 0
= 2x² + 2y² - 8x - 12y + 24 = 0
= Cara mencari titik, yaitu :
= -1/2(a) , -1/2(b) = -1/2(-8), -1/2(-12) = (4,6)
= Cara mencari jari-jari :
= r = √a²+b²-c = √(4)² + (6)² - 24
= √16 + 36 - 24 = √16+12 = √28
= r = √28 → r = 2√7 → Adalah jari-jarinya
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