解方程 (x^2-1)*(dy/dx)*siny+2*x*cosy=2*x-2*x^3
解方程 (x^2-1)*(dy/dx)*siny+2*x*cosy=2*x-2*x^3
求导 e^x/(e^x +1)dx cosy /siny dy=ln siny
∫L(e^x siny-2y)dx+(e^x cosy-z)dy, L:上半圆周(x-a)^2+y^2=a^2 , y>
siny+e^x-xy^2=0,求dy/dx
x-y+siny=2,求dy/dx
∫(x^2-y)dx+(x+siny)dy
设siny+e^3x-2x^3y^2=0,求dy/dx
求微分方程cosy*dy/dx+siny=(x+1)的通解
已知方程xy-eˆ2x=siny 确定隐函数y=y(x),求dy/dx
e^x=cosy-xy^2,求dy/dx|x=0
设2e^x-2cosy-1=0,求dy/dx
√(x-cosy)=siny-x 对这个隐函数求dy/dx