Nilai dari ekspresi 1/81 log 4 - 1/3 log 2 adalah... Tolong kasih caranya ya:)

LogAritMa

(a^n)'log (b^m) = (m/n) . a'log b

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(1/81)'log 4 - (1/3)'log 2
= (3^-4)'log 2^2 - (3^-1)'log 2
= (2/-4) . ³log 2 - (-³log 2)
= (-1/2 + 1) . ³log 2
= 1/2 . ³log 2