Logaritmaa'log b = c'log b / c'log a••⁴log 5 = m⁷log 5 = nperhatikan komponen yg sm, sbg nilai dr c•³⁵log 20= ⁵log 20 / ⁵log 35= ⁵log (4 × 5) / ⁵log (7 × 5)= (⁵log 4 + ⁵log 5) / (⁵log 7 + ⁵log 5)= (1/m + 1) / (1/n + 1)= ((1 + m)/m) / ((1 + n)/n)= n/m (1 + m)/(1 + n)= (n + nm) / (m + nm) ✔
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Logaritma
a'log b = c'log b / c'log a
••
⁴log 5 = m
⁷log 5 = n
perhatikan komponen yg sm, sbg nilai dr c
•
³⁵log 20
= ⁵log 20 / ⁵log 35
= ⁵log (4 × 5) / ⁵log (7 × 5)
= (⁵log 4 + ⁵log 5) / (⁵log 7 + ⁵log 5)
= (1/m + 1) / (1/n + 1)
= ((1 + m)/m) / ((1 + n)/n)
= n/m (1 + m)/(1 + n)
= (n + nm) / (m + nm) ✔