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关于导数公式(xα)=αxα-1的证明
The Proof on the Derivative’s Formula(xa)=axa-1
【摘要】 新编"21世纪高职高专系列教材"(理工科用)《高等数学》中关于导数公式.(xα)=αxα-1(α是实数)的证明有不妥之处,本文给出两种正确的证明过程.
【Abstract】 The proof on the derivative’s formula (xa)=axa-1 (a is actual amount) has defect in new compiled "21 century a Serious of teaching material on higher occupation and sperical field"(used by science and engineering) higher math,this paper will give two kinds of correctly proving process.
【关键词】 幂函数;
导数;
导数的定义;
求导法;
化隐函数求导法.;
【Key words】 power function; derivative; defination of derivative; ways of Finding dcrivative; method of finding derivative by hiding function;
【Key words】 power function; derivative; defination of derivative; ways of Finding dcrivative; method of finding derivative by hiding function;
- 【文献出处】 吉林师范大学学报(自然科学版) ,Jilin Normal University Journal (Natural Science Edition) , 编辑部邮箱 ,2003年03期
- 【分类号】O172.1
- 【被引频次】2
- 【下载频次】74