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
问题描述:
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
答
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