Help with this Reducible DFQ?

lat77

Wrong section, sorry! First time user.

Hiche

[itex]ydx = - (1 + e^x)dy[/itex] then [itex]\frac{dx}{-(1 + e^x)} = \frac{dy}{y}[/itex]

This is separable, right? Or you are required to use a substitution?

lat77

Sorry, I left out a y in the parenthesis. Reread the problem now... that's why substitution was required.

tiny-tim

is this the same as http://www.physicsforums.com/showthread.php?t=610993 ?

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lat77	Help with this Reducible DFQ? Tweet Wrong section, sorry! First time user.

Hiche	[itex]ydx = - (1 + e^x)dy[/itex] then [itex]\frac{dx}{-(1 + e^x)} = \frac{dy}{y}[/itex] This is separable, right? Or you are required to use a substitution?

tiny-tim Blog Entries: 27 Recognitions: Gold Member Homework Help Science Advisor	Help with this Reducible DFQ? is this the same as http://www.physicsforums.com/showthread.php?t=610993 ?