| 等价无穷小代换在求极限中的常见应用及推广 |
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| 引用本文： | 陈大桥.等价无穷小代换在求极限中的常见应用及推广[J].四川教育学院学报,2014(5):117-119. |
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| 作者姓名： | 陈大桥 |
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| 作者单位： | 咸宁职业技术学院机电工程系,湖北咸宁437100 |
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| 摘 要： | 无穷小量是极限中的一个重要概念。在求极限过程中，等价无穷小代换方法是常用的方法之一，正确使用等价无穷小代换在很多情况下可以大大简化极限运算。首先介绍了等价无穷小的常见应用，并扩展了常见应用的内容，然后对等价无穷小代换应用作了推广。
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| 关 键 词： | 等价无穷小 极限 推广 |
Application and Promotion of Equivalent Infinitesmall Replacement in Calculation of Limits |
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| CHEN Da-qiao.Application and Promotion of Equivalent Infinitesmall Replacement in Calculation of Limits[J].Journal of Sichuan College of Education,2014(5):117-119. |
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| Authors: | CHEN Da-qiao |
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| Institution: | CHEN Da-qiao (Department of Mechanical and Electrical Engineering, Xianning Vocational Technical College, Xianning Hubei 437100, China) |
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| Abstract: | Infinitesimal is an important concept in limit. In the process of calculating limit, equivalent infinitesimal substitution method is one of the commonly used method, the proper use of equivalent infinitesimal substitution can greatly simplify the calculation of limit in many cases. This paper first introduces the common application of equivalent infinitesimad, expands the common application of content and then makes an extension of equivalent infinitesimal substitution application. |
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| Keywords: | equivalent infinitesimal limit promotion |
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