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x*(dy/dx)-y=x^2+y^2

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wshb0601(½ð±Ò+10): лл£¡ 2011-07-14 16:07:12
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saheya

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In[4]:= DSolve[x*y'[x] - y[x] == x^2 + y[x]^2
, y[x], x]

Out[4]= {{y[x] -> x Tan[x + C[1]]}}

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