diketahui 2 log 3 = A dan 2 log 5 = B nilai dari 4 log 30 =

Materi Logaritma
[tex] \displaystyle ^4 \log 30 = \frac{1}{2} ^2 \log 30 \\ = \frac{1}{2} ^2 \log (2 \times 3 \times 5) \\ = \frac{1}{2} \times 1 \times A \times B = \frac{AB}{2} [/tex]