Pertanyaan

Nilai 5 lo g 625 + 25 lo g 625 + 625 lo g 625 adalah....

Nilai $^{5} lo g 625 +^{25} lo g 625 +^{625} lo g 625$ adalah....

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M. Mariyam

Master Teacher

Mahasiswa/Alumni Institut Pertanian Bogor

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Pembahasan

$log presuperscript 5 space 625 plus log presuperscript 25 space 625 plus log presuperscript 625 space 625 equals space log presuperscript 5 space 5 to the power of 4 plus log presuperscript 5 squared end presuperscript space 5 to the power of 4 plus log presuperscript 5 to the power of 4 end presuperscript space 5 to the power of 4 space equals 4 over 5. log presuperscript 5 space 5 plus 4 over 2. log presuperscript 5 space 5 plus 4 over 4. log presuperscript 5 space 5 equals 4 over 5 plus 4 over 2 plus 4 over 4 equals 4 over 5 plus 2 plus 1 equals fraction numerator 4 plus 10 plus 5 over denominator 5 end fraction equals 19 over 5$