已知x^2y+2xy+3=-18 求dy/dx
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已知x^2y+2xy+3=-18求dy/dx已知x^2y+2xy+3=-18求dy/dx已知x^2y+2xy+3=-18求dy/dxx²y+2xy+3=-18两边同时对x求导得:2xy+x&
已知x^2y+2xy+3=-18 求dy/dx
已知x^2y+2xy+3=-18 求dy/dx
已知x^2y+2xy+3=-18 求dy/dx
x²y+2xy+3=-18
两边同时对x求导得:
2xy+x²dy/dx+2y+2xdy/dx+0=0
2xy+2y+(x²+2x)dy/dx=0
(x²+2x)dy/dx=-(2xy+2y)
dy/dx=-(2xy+2y)/(x²+2x)
已知x^2y+2xy+3=-18 求dy/dx
已知x^2y+2xy+3=-18 求dy/dx
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微分方程求解 (x^2y^3+xy)dy=dx
解微分方程 (x^2y^3+xy)dy=dx
dy/dx=(x+y^3)/(xy^2)
微分方程求解 (x^2y^3+xy)dy=dx