解答

极值点

解答

求解步骤
Find intervals:递减递增
将 代入

作图

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流行的例子

extreme f(x,y)=(2y-x)/((x-1)^2+(y-2)^2)extreme f(x,y)=sqrt(x-1)sqrt(y-1)extreme f(x,y)=8x^3+2xy-3x^2+y^2+1extreme f(x)=3x+4yextreme f(x)=3x^2-18x+24