Sederhanakan: a.) 1/2 2 log 16 - 1/3 2 log 8 b.) Log 1/7 - Log 7 + Log 49
Matematika
Fadilahnur2901
Pertanyaan
Sederhanakan:
a.) 1/2 2 log 16 - 1/3 2 log 8
b.) Log 1/7 - Log 7 + Log 49
a.) 1/2 2 log 16 - 1/3 2 log 8
b.) Log 1/7 - Log 7 + Log 49
1 Jawaban
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1. Jawaban eripane05
★ Logaritma ★
a.) 1/2 2 log 16 - 1/3 2 log 8
= 1/2 (2log 2^4) - 1/3(2log 2^3)
= 1/2(4) - 1/3(3)
= 2 - 1
= 1
b.) Log 1/7 - Log 7 + Log 49
= log 1/7:7 + log 49
= log 1/49 + log 49
= log 1/49 (49)
= log 1
= 0