log 120 = log 4×3×10
= log 2² + log 3 + log 10
= 2 log 2 + log 3 + log 10
= 2a + b + 1
smg membantu..maaf klo salah..
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log 120 = log 4×3×10
= log 2² + log 3 + log 10
= 2 log 2 + log 3 + log 10
= 2a + b + 1
smg membantu..maaf klo salah..