Question

Jika diket log2 = x dan log3 = y, tentukan nilai dari 5(pangkat) log24.

Answer 1

^5log 24 = log 24 / log 5
= log(2^3 x 3) / log(10/2)
= ( 3. log 2 + log 3 ) / (log 10 - log 2)
= (3x + y) / ( 1 - x)

Answer 2

Log 24 = log(3.2.2.2)
          = log 3 + log 2³
          = log 3 + 3 log 2 (sifat logaritma)
          = y + 3x

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