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Newsgroups: sci.math
From: daniel D <x1...@x.com>
Date: Fri, 06 Nov 2009 23:19:59 EST
Local: Sat, Nov 7 2009 4:19 am
Subject: A tricky ODE
Hi,
I came across the following differential equation: sqrt(1+(y')^2)=(d/dx)((yy')/sqrt(1+(y')^2)) I found a possible solutions: y(x)=cosh(x+C1). Can anyone find it? Thank you. You must Sign in before you can post messages.
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