设X^2+Y^2-XY=1,求dy/dx
设X^2+Y^2-XY=1,求dy/dx
x^2+xy+y^3=1,求dy/dx
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设sin(x+y)=xy,求dy/dx.
设 e^(x+y) - xy = 1,求 dy/dx \ x=0 y=0
设y=y(x)由方程x^2-sin(xy)=2y确定,求dy/dx
下面都是求微分方程的通解:1、(y^-2xy)dx+x^2dy=0 2、(x^2+y^2)dy/dx=2xy 3、xy’
设函数 y=y(x) 由方程y平方-2xy=7所确定 求 dy/dx
设函数y=f(x)由方程sin(x^2+y)=xy 确定,求dy\dx