⁷㏒ 4 . ²log5+⁷log49/25

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Materi : Logaritma
[tex] ^{7} log \: {2}^{2} \times ^{2} log \: 5 + ^{7} log \frac{ {7}^{2} }{ {5}^{2} } \\ = 2 ^{7} log \: 2 \times ^{2} log \: 5 + ^{7} log \: {7}^{2} - ^{7} log \: {5}^{2} \\ = 2 ^{7} log \: 5 + 2 - 2 \: ^{7} log \: 5 \\ = 2[/tex]
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