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Mathematics 17 Online
OpenStudy (aem9296):

simplify (see below)

OpenStudy (aem9296):

\[\ln(1/e^3)\]

zepdrix (zepdrix):

\[\Large \color{royalblue}{\frac{1}{x^a}\quad=\quad x^{-a}}\]

OpenStudy (aem9296):

so lne^-3? isnt lne=1 or is that something else

zepdrix (zepdrix):

Yes. \[\Large \ln e\quad=\quad \log_ee\quad=\quad 1\]

zepdrix (zepdrix):

Remember the trick we used on the last problem? Can we do the same here? :O with the -3.

OpenStudy (aem9296):

-3lne?

zepdrix (zepdrix):

yes

OpenStudy (aem9296):

so then would you multiply -3 by 1 since lne=1?

zepdrix (zepdrix):

yay good job

OpenStudy (aem9296):

yay!

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