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【摘 要】本文通过两道例题讨论了当一个特殊极限存在时,一元函数在一点处可微的情况. 给出一元函数在一点处可微的一个特殊结论及证明,并计算出导数.
【关键词】一元函数;可微;连续
【Abstract】In this paper, the differentiable of function of one variable is discussed through two examples, when a special limit existed. Elicited a special result of differentiable of univariate function at a point and proved it, calculated the derivative.
【Key words】Univariate function; Differentiable; Continuation
【参考文献】
[1]刘士强.数学分析(上册)[M].南宁:广西民族出版社,2000,6:106-107.
[2]钱吉林,等.数学分析题解精粹[M].武汉:崇文书局,2003:163.
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