12 par akar 7 + 3 = a(3-akar7) nilai a =
Matematika
Andikas4760
Pertanyaan
12 par akar 7 + 3 = a(3-akar7) nilai a =
1 Jawaban
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1. Jawaban whongaliem
12 / (√7 + 3) = a (3 - √7)
a (3 - √7) (√7+ 3) = 12
a ( 3√7 + 9 - 7 - 3√7) = 12
a (2) = 12
a = 12/2
a = 6