jika 5log2 = a tentukan log 2,5
Matematika
faalhasan97
Pertanyaan
jika 5log2 = a tentukan log 2,5
1 Jawaban
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1. Jawaban Anonyme
5'log 2 = a
log 2,5
= 5'log 2,5 / 5'log 10
= (5'log (5/2)) /(5'log (5 × 2))
= (5'log 5 - 5'log 2) / (5'log 5 + 5'log 2)
= (1 - a) / (1 + a)