求通解:y'=x(1+y^2);sinxdy=2ycosxdx; y^2 dx -(xy+1)dy=0;求特解:cosx(dy/dx)+ysinx=cos^2x,x=∏时y=1

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求通解:y'=x(1+y^2);sinxdy=2ycosxdx; y^2 dx -(xy+1)dy=0;求特解:cosx(dy/dx)+ysinx=cos^2x,x=∏时y=1
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求通解:y'=x(1+y^2);sinxdy=2ycosxdx; y^2 dx -(xy+1)dy=0;求特解:cosx(dy/dx)+ysinx=cos^2x,x=∏时y=1
求通解:y'=x(1+y^2);sinxdy=2ycosxdx; y^2 dx -(xy+1)dy=0;求特解:cosx(dy/dx)+ysinx=cos^2x,x=∏时y=1

求通解:y'=x(1+y^2);sinxdy=2ycosxdx; y^2 dx -(xy+1)dy=0;求特解:cosx(dy/dx)+ysinx=cos^2x,x=∏时y=1