Tentukan nilai x : A. X log 25 = - 2 B. X log 16 = 4
Matematika
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Pertanyaan
Tentukan nilai x :
A. X log 25 = - 2
B. X log 16 = 4
A. X log 25 = - 2
B. X log 16 = 4
1 Jawaban
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1. Jawaban Anonyme
jawab
ˣlog 25 = - 2
x⁻² = 25 = (5²)
x = 5⁻¹
x = 1/5
ˣlog 64 = 4
x⁴ = 64 = 2⁶
x = 2^(3/2)
x = 2√2