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OpenStudy (anonymous):
solve the equation => In(e^18x)=9
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OpenStudy (anonymous):
just remember that ln(e^a) = a*ln(e)
OpenStudy (anonymous):
what is the a tho?
OpenStudy (anonymous):
a parameter which can be everything, in our case a=18x
OpenStudy (anonymous):
so the equation is 18ln(e)^9 ??
OpenStudy (anonymous):
more like 18x * ln(e) = 9
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OpenStudy (anonymous):
how much is ln(e) ?
OpenStudy (anonymous):
ln(e) = 1 that means our equation is 18x = 9 => x=1/2
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