Some tip you can share to solve this equation?

  • Thread starter GodsmacK
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  • #1
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Hi everyone,
I've been trying to solve the following equation:

[itex]x^2(yy''-{y'}^2)+xyy'-y\sqrt{y^2+x^2y'^2}=0[/itex]

One of the tries was to do the substitution [itex]z=xy'[/itex]. However, it doesnt seem to work...
 
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Answers and Replies

  • #2
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Try starting by dividing the equation by y2, and working with z =y'/y. This will reduce it to a first order equation in z.

Chet
 

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