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Question Number 128971 by Ahmed1hamouda last updated on 11/Jan/21
solve the following equation  (xtan((y/x))−ysec^2 ((y/x)))dx−xsec^2 ((y/x))dy=0
$${solve}\:{the}\:{following}\:{equation} \\ $$$$\left({x}\mathrm{tan}\left(\frac{{y}}{{x}}\right)−{y}\mathrm{sec}^{\mathrm{2}} \left(\frac{{y}}{{x}}\right)\right){dx}−{x}\mathrm{sec}^{\mathrm{2}} \left(\frac{{y}}{{x}}\right){dy}=\mathrm{0} \\ $$

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