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Mathematics 7 Online
OpenStudy (itz_sid):

Help please.

OpenStudy (itz_sid):

Differential Equations. \[\frac{ dz }{ dt } + 6e^{t+z} = 0\]

OpenStudy (itz_sid):

Would it be... \[\frac{ dz }{ dt } = -6e^{t+z}\] \[\frac{ dz }{ dt } = -6(e^t)(e^z)\] \[\frac{ dz }{ e^z } = -6e^t dt\] ?

OpenStudy (itz_sid):

@mathmate

OpenStudy (itz_sid):

@aaronq

OpenStudy (mathmate):

Have you tried integrating both sides?

random231 (random231):

its right so far

OpenStudy (itz_sid):

Well I was just trying to see if what i did so far was correct.

OpenStudy (itz_sid):

After integrating, i got \[\ln|e^z|=-6e^t+C\] but it was wrong...

random231 (random231):

no integration of 1/e^z isnt ln|e^z|

OpenStudy (itz_sid):

Eh....\[\int\limits e^{-z} = -e^{-z}\]

OpenStudy (itz_sid):

Thanks. xD

random231 (random231):

bullseye

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