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$$log 2x + log x^{2}= log 16$$

 Sep 8, 2014

Best Answer 

 #1
avatar+129845 
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log2x + logx2 = log 16     using a property of logs on the left hand side

log(2x*x2) = log (16 )         so....equating the expressions in the parentheses, we have

2x3 = 16    divide both sides by 2

x3 = 8   take the cube root of both sides

x = 2

 

 Sep 8, 2014
 #1
avatar+129845 
+10
Best Answer

log2x + logx2 = log 16     using a property of logs on the left hand side

log(2x*x2) = log (16 )         so....equating the expressions in the parentheses, we have

2x3 = 16    divide both sides by 2

x3 = 8   take the cube root of both sides

x = 2

 

CPhill Sep 8, 2014

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