sinx+ siny=xy求dy/dx
sinx+ siny=xy求dy/dx
设e^xy-xy^2=Siny,求dy/dx
siny+e^x-xy^2=0,求dy/dx
微分方程(siny+y^2sinx)dx+(xcosy-2ycosx)dy=0.求详解.
(cosy+ycosx)dx+(sinx-siny)dy=0
求隐函数的偏导数siny+e^x-xy^2=0,求dy/dx
设siny-e^x+xy^2=0,求dy/dx
设siny+e的x次方-xy²=0,求dy/dx
设siny+ex(是e的x次方)-xy=0.求dy/dx
如果xy=sinx * cosy,求dy/dx
求微分方程dy/dx=-x/siny的解
设x+y=siny,求dy/dx