| 拐点和一元三次方程的求根公式 |
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| 引用本文： | 幸青萍.拐点和一元三次方程的求根公式[J].江汉大学学报(社会科学版),2002,19(1):28-31. |
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| 作者姓名： | 幸青萍 |
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| 作者单位： | 江汉大学数学与计算机科学学院 湖北 |
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| 摘 要： | 用一元函数微分学理论，对一元三次实系数方程x^3 bx^2 cx d=0的求根问题作了新的探讨。
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| 关 键 词： | 拐点 一元三次方程 求根公式 微分学 |
Inflection Point and the Formula of Extracting Roots on Cubic Equation |
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| GU Qing-ping.Inflection Point and the Formula of Extracting Roots on Cubic Equation[J].Journal of JIanghan University:Social Sciences,2002,19(1):28-31. |
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| Authors: | GU Qing-ping |
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| Abstract: | This paper uses the theory of differential calculus on function with one unknown quantity, it has also probed into the problem of extracting roots on cubic real coefficent equation with one unknown quantity: |
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| Keywords: | inflection point real root the formual of extracting roots |
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