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Question 17
If $$\log_{4}{5}=(\log_{4}{y})(\log_{6}{\sqrt{5}})$$, then y equals
Correct Answer: 36
Solution
$$\frac{\log\ 5}{2\log2}\ =\frac{\log\ y}{2\log2}\cdot\frac{\log\ 5}{2\log6}$$
$$\log\ 36\ =\ \log\ y;\ \therefore\ y\ =36$$
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