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\frac { \log x } { \log 5 } = \frac { \log y ^ { 2 } } { \log 2 } = \frac { \log 9 } { \log \frac { 1 } { 3 } } , \text { find } x \text { and } y |
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Answer» log(x) log(9) log(3²) 2 log(3)-------- = -------------- = ------------ = --------------log(5) log (1/3) log(3^(-1)) (-1) log(3) log(x) = -2 log(5) log (x) = log (5^(-2)) x = 1/25 log(y²) log(9) log(3²) 2 log(3)-------- = -------------- = ------------ = --------------log(2) log (1/3) log(3^(-1)) (-1) log(3) 2 log(y)------------- = -2log(2) log(y) = - log (2) = log(1/2)y = 1/2 it's wrong |
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