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November 28th, 2016, 05:42 AM   #1
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help separate eq

Please help. I don't know how to get rid of the sqrt.

$\displaystyle y'= (\sqrt{x^2-y^2}+y)/(x)$
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Last edited by skipjack; November 28th, 2016 at 07:41 AM.
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November 28th, 2016, 07:45 AM   #2
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If you substitute y = xu, what do you get?
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November 29th, 2016, 03:48 AM   #3
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ty did it

Last edited by ibanez1608; November 29th, 2016 at 04:00 AM.
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