²log4x - 2²log 5 = 3
Matematika
rc7
Pertanyaan
²log4x - 2²log 5 = 3
2 Jawaban
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1. Jawaban subebe
2log 4x - 2log5^2 = 3
2log 4x - 2log 25 =3 2log2
2log 4x/25 = 2log 2^3
4x/25 = 8
4x = 200
x = 50 -
2. Jawaban kautsarmus
²log4x - 2²log 5 = 3
²log4x = ²log 5² + ²log 2³
²log4x = ²log 25×8
²log4x = ²log 200
4x = 200
x=200/4
x=50