Jawaban:
P (- 6 , 3) pada lingkaran ..
x² + y² + 8x - 2py + 9 = 0
(-6)² + 3² + 8(-6) - 2p(3) + 9 = 0
36 + 9 - 48 - 6p + 9 = 0
6 - 6p = 0
6p = 6
p = 6/6
p = 1
pers lingkaran
x² + y² + 8x - 2y + 9 = 0
x² + 8y + y² - 2y = - 9
x² + 8x + 16 + y² - 2y + 1 = - 9 + 16 + 1
(x + 4)² + (y - 1)² = 8
r² = 8
r = √8
Jawab:
Penjelasan dengan langkah-langkah:
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Jawaban:
P (- 6 , 3) pada lingkaran ..
x² + y² + 8x - 2py + 9 = 0
(-6)² + 3² + 8(-6) - 2p(3) + 9 = 0
36 + 9 - 48 - 6p + 9 = 0
6 - 6p = 0
6p = 6
p = 6/6
p = 1
pers lingkaran
x² + y² + 8x - 2y + 9 = 0
x² + 8y + y² - 2y = - 9
x² + 8x + 16 + y² - 2y + 1 = - 9 + 16 + 1
(x + 4)² + (y - 1)² = 8
r² = 8
r = √8
Jawab:
Penjelasan dengan langkah-langkah: