5 log 25 -7 log 49 + 5 log 125 -7 log 343

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5 log 25 -7 log 49 + 5 log 125 -7 log 343

Jawaban:

5 log 25 -7 log 49 + 5 log 125 -7 log 343 = 0

Penjelasan dengan langkah-langkah:

5 log 25 -7 log 49 + 5 log 125 -7 log 343

= 5 log 5^2 – 7 log 7^2 + 5 log 5^3 – 7 log 7^3

= 2 – 2 + 3 – 3

= 0 + 0

= 0

semoga membantu