1959 AHSME Problems/Problem 45
Problem
If , then equals:
Solution
From the properties of logarithms, we can simplify the equation and solve for : \begin{align*} (\log_3 x)(\log_x 2x)(\log_{2x} y) &= \log_{x}x^2 \\ (\log_3 2x)(\log_{2x} y) &= 2\log_x x \\ \log_3 y &= 2 \\ y &= 3^2 \\ y &= 9 \end{align*} Thus, our answer is .
See also
1959 AHSC (Problems • Answer Key • Resources) | ||
Preceded by Problem 44 |
Followed by Problem 46 | |
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