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)=4csc(x)extreme S(v,t)=v*t-v/t*(2t^2)/2extreme f(x)=2x^3-96x-3extreme xln(x/9)-xextreme f(x)=x^3+x^2-6x