设 e^(x+y) - xy = 1,求 dy/dx \ x=0 y=0

设 e^(x+y) - xy = 1,求 dy/dx \ x=0 y=0 设函数y=f(x)由方程sin(xy)+e^(x+y)=0确定,求dy/dx xy-e^x+e^y=0,求dy/dx|x=0? 设sin(x+y)=xy,求dy/dx. xy=e^(x+y),求dx/dy e∧x+y=xy,求dy/dx 求dy/dx+y/x=e^(xy) 设方程xy-e的x次方+e的y次方=0确定了函数y=y(x),求dx分之dy. [e^(x+y)-e^x]dx+[e^(x+y)-e^y]dy=0求通解 设y=y（x） 由方程x^3+y^3=e^xy 确定,求 dy/dx!x=0的值 设y=y(x)由方程e^xy+sin(xy)=y确定,求dy/dx. 函数 y=y(x)由方程e x平方 - e y平方 - xy = 0确定,求dy/dx