dy/dx+(2/x)y=-x当y(2)=0时,

dy/dx+(2/x)y=-x当y(2)=0时, dy/dx-y/x=x^2 (x^2)dy+（y^2)dx=dx-dy 求dy/dx 当y=2^(x^2) dy/dx+(e^((y^2)+x))/y=0 微分方程 dy/dx=(-2x)/y 设xy-xe^(y^2)-x=-2,则当x=1,y=0时,dy/dx= d^2y/dx^2=e^2y,当x=0时y=0,(dy/dx)|x=0=0；求解微分方程的初值问题 dy/dx=2y/x+3x/2y 求dy/dx=(x-y+5)/(x+y-2) 2*x*y^2（dy／dx）- x^3（dy／dx）=2y^3 dy/dx=x/2y dy/dx=x+y