xy+㏑ y+㏑ x=0 求dy/dx
xy+㏑ y+㏑ x=0 求dy/dx
x^2+xy+y^3=1,求dy/dx
y/x=ln(xy) 求详 dy/dx
y/x=ln(xy) 求dy/dx
xy=e^(x+y),求dx/dy
设sin(x+y)=xy,求dy/dx.
e∧x+y=xy,求dy/dx
求dy/dx+y/x=e^(xy)
下面都是求微分方程的通解:1、(y^-2xy)dx+x^2dy=0 2、(x^2+y^2)dy/dx=2xy 3、xy’
1.求(xy^2+x)dx+(xy^2-y)dy=0的通解
设 e^(x+y) - xy = 1,求 dy/dx \ x=0 y=0
求(x+xy^2)dx-(x^2y+y)dy=0的通解!~