求下列式子dy/dx (1) x^2y-x+y=0;(2) x√y =y-1
求下列式子dy/dx (1) x^2y-x+y=0;(2) x√y =y-1
(2xsin(y/x)-ycos(y/x))dx+(xcos(y/x)+1)dy=0 求y
设y=√(x^2-1)求dy/dx
y=ln√1-2x,求dy/dx!
求下列微分方程的解(1) (x+y)dy+(x-y)dx=0 (2)ylnydx+(x-lny)dy=0 (3) y'=
求下列微分方程的解(1)(xy+x^3y)dy-(1+y^2)dx=0 (2)(y^2-6x)y'+2y=0
求dy/dx=(x-y+5)/(x+y-2)
求方程x(1+y^2)dx-y(1+x^2)dy=0的通解
求方程x(1+y^2)dx+y(1+x^2)dy=0的通解
求微分方程的通解:x(y^2-1)dx+y(x^2-1)dy=0
求方程(2x+y-4)dx+(x+y-1)dy=0的通解.
求下列微分方程通解 (1+e^x/y)dx+e^x/y(1-x/y)dy=0