I don't really understand the Logarithms concept when it comes to question with ln or log with base e.for example question like this:
1.solve the equation $$x^4\mathrm{e}^{-2\ln(x)}=18-3x$$
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is the equation you want to solve $x^4\mathrm{e}^{-2\ln(x)}=18-3x$? You have a symbol that can not be decoded. – Chinny84 Jul 07 '14 at 10:03
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yes, i've tried but it turned out like that. sorry. – Mirra Jul 07 '14 at 10:06
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use the property of the logarithm: $a \log x = \log x^a$, and then the definition: $e^{\ln x} = x$
Alex
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