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Matematika SMAPersamaan Kuadrat
Pembahasan :
Syarat Akar nyata dan berbeda
D > 0
b² - 4ac > 0
(p + 8)² - 4(p)(9) > 0
p² + 16p + 64 - 36p > 0
p² - 20p + 64 > 0
(p - 16)(p - 4) > 0
p < 4 atau p > 16
Opsi B.
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