设函数x=x(y)由方程y^x+x+y=4确定,求dx丨y=1 答案是-3dy 而我却是-1/3dy
设函数y=y(x)由方程cos(x+y)+y=1确定,求dy/dx
设y=y(x)是由方程x*y^3+(e^x)*siny=ln(x)确定的函数,求dy/dx.
设函数y=y(x)由方程(x+y)^(1/x)=y所确定,则dy/dx=?
设函数y=y(x)由方程x^2+y^2=1确定,求dy/dx
设函数y=y(x)由方程x^2+y^2=1确定,求dy/dx
设函数y由方程ln y+x/y=0确定,求dy/dx
设函数y=y(x)由方程y+e^(x+y)=2x确定,求dx/dy
设y=y(x)由方程cos(x+y)+y=1确定,求dy/dx
设函数Y=f(x)由x2+3y4+x+2y=1所确定,求dy/dx
设y=y(x)是函数方程ln(x^2+y^2)=x+y-1所确定的隐函数,求dy/dx
求设方程y=sin(x+y)确定了y是x的函数,求dy/dx
设由x^2y-e^(2y)=siny确定y是x的函数,求dy/dx