Pertanyaan

Nilai dari 2 lo g 6 + 2 lo g 8 − 2 lo g 12 = ....

Nilai dari $^{2} lo g 6 +^{2} lo g 8 -^{2} lo g 12 = ....$

2
1
-1
-2
-3

A. Acfreelance

Master Teacher

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Pembahasan

$log presuperscript a space m plus log presuperscript a space n equals log presuperscript a left parenthesis m cross times n right parenthesis log presuperscript a space m minus log presuperscript a space n equals log presuperscript a left parenthesis m over n right parenthesis log presuperscript a space a to the power of m equals m M a k a log presuperscript 2 space 6 plus log presuperscript 2 space 8 minus log presuperscript 2 space 12 equals log presuperscript 2 open parentheses fraction numerator 6 cross times 8 over denominator 12 end fraction close parentheses equals log presuperscript 2 space 4 equals log presuperscript 2 space 2 squared equals 2$

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