解答

极值点

解答

求解步骤
Find intervals:无

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流行的例子

extreme f(x)= 1/4 x^4-3x^3+4x^2extreme f(x)=-x^3+27x-63extreme f(x)=3x^2-9y^2extreme f(x,y)=4-x^2-2y^2extreme f(x)=3x+2y