f(x,y)=e^2x(x+y^2+2y)中,令偏导数fx(X,Y)等于0的式子怎么写?
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f(x,y)=e^2x(x+y^2+2y)中,令偏导数fx(X,Y)等于0的式子怎么写?
f(x,y)=e^2x(x+y^2+2y)中,令偏导数fx(X,Y)等于0的式子怎么写?
f(x,y)=e^2x(x+y^2+2y)中,令偏导数fx(X,Y)等于0的式子怎么写?
f(x,y)=e^2x(x+y^2+2y) f'x(x,y)=e^2x(2x+1+2y^2+4y)=0 2x+1+2y^2+4y=0
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