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Mathematics 25 Online
OpenStudy (anonymous):

e^5x−1⋅e^−x=2e

OpenStudy (solomonzelman):

\(\large\color{black}{ e^{5x}-e^{-x}=2e }\) am I correct?

OpenStudy (solomonzelman):

if you aren't going to reply, how am I supposed to help you?

OpenStudy (solomonzelman):

why does that make any difference?

OpenStudy (solomonzelman):

yes, I know, but what I wrote is absolutely the same thing, sint' it?

OpenStudy (anonymous):

I guess

OpenStudy (anonymous):

do you not know how to do this problem?

OpenStudy (solomonzelman):

I am thinking that there must be a simple way to do it. I tried. \(\large\color{black}{ e^{5x}-e^{-x}=2e }\) \(\large\color{black}{ e^{-x}(e^{6x}-1)=2e }\) \(\large\color{black}{ \ln[ e^{-x}(e^{6x}-1)]=\ln[2e] }\) \(\large\color{black}{ \ln[ e^{-x}]+\ln[(e^{6x}-1)]=\ln[2e] }\) \(\large\color{black}{ -x+\ln[(e^{6x}-1)]=\ln[2]+1 }\) but got stuck there.

OpenStudy (anonymous):

its a decimal

OpenStudy (solomonzelman):

I want to find the exact solution first, to then approximate it.

OpenStudy (solomonzelman):

I don't know how to do it. SOrry, I am confused.

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