Question

integration of ydy/dx+x=y-xdy/dx​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

· (1 + v)dv / (1 - 2v - v2) = dx/x = > - Integral[ (1 + v)dv / (v2 + 2v - 1) ] = Integral[ dx / x ] Let v2 + 2v - 1 = t => (v + 1)dv = dt/2