y=e^x-ln3 则 dy/dx等于什么,
y=e^x-ln3 则 dy/dx等于什么,
设x=3e^-t,y=2e^t,则dy/dx等于多少?
y=ln|x|则dy比dx等于?
e^x+e^y=y 确定函数y=f(x) 则dy/dx
dy/dx,y=(1+x+x^2)e^x
紧急.x+y-3^xy=0.求微分.不是微分方程.dy-3^(xy)•ln3(dx•y dy
dy/dx+(e^((y^2)+x))/y=0
[e^(x+y)-e^x]dx+[e^(x+y)-e^y]dy=0求通解
y=e^(x^x) dy/dx=?
求微分方程dx/dy+y/x=e∧x
x=sin(y/x)+e^2 求dy/dx
dy/ dx +2y=x*e^x的通解,