a)
[tex] = log( \frac{125 \times 4}{5}) = log(25 \times 4) = log(100) = log( {10}^{2} ) = 2[/tex]
b)
[tex] = log( \frac{1}{12} \times \frac{14}{15} \times \frac{10}{321} ) = log( \frac{1}{6} \times \frac{7}{3} \times \frac{2}{321} ) = log( \frac{1}{3} \times \frac{7}{3} \times \frac{1}{321} ) = log( \frac{7}{2889} ) [/tex]
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a)
[tex] = log( \frac{125 \times 4}{5}) = log(25 \times 4) = log(100) = log( {10}^{2} ) = 2[/tex]
b)
[tex] = log( \frac{1}{12} \times \frac{14}{15} \times \frac{10}{321} ) = log( \frac{1}{6} \times \frac{7}{3} \times \frac{2}{321} ) = log( \frac{1}{3} \times \frac{7}{3} \times \frac{1}{321} ) = log( \frac{7}{2889} ) [/tex]