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why-log0-9-2log3-1-




Question Number 6878 by sarathon last updated on 01/Aug/16
why log0.9=2log3−1 ??
whylog0.9=2log31??
Answered by Tawakalitu. last updated on 01/Aug/16
Log 0.9  = log((9/(10)))  = log9 − log10  = log3^2  − log10  = 2log3 − 1    since, log_(10) ^(10)  = 1
Log0.9=log(910)=log9log10=log32log10=2log31since,log1010=1

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