Common Algebra Mistakes
Fragment: Rules of Logarithms 
The Mistake Fragment
Find the algebra mistake: (Roll the mouse over the algebra to see a hint in red) The Correction
(Roll the mouse over the area above to see the correction in blue) An Explanation A constant multiple cannot be factored out from inside a logarithm (the logarithm is not a linear function). The correct rule to use is ln(ab) = ln(a) + ln(b). 
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