| 导数在求方程重根中的应用 |
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| 引用本文： | 汤光宋,骆玲.导数在求方程重根中的应用[J].达县师范高等专科学校学报,2002,12(2):4-5,7. |
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| 作者姓名： | 汤光宋 骆玲 |
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| 作者单位： | [1]江汉大学数计学院，湖北武汉430019 [2]江夏区成人中专 |
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| 摘 要： | 用导数的方法，给出了多元多项式具有重因式、能因式分解的必要条件和操作步骤，以及判断方程是否为重根的充分条件。并且，提供了中学教学中常见的二次六项式能否进行因式分解的条件。
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| 关 键 词： | 导数 方程 重根 多元多项式 求导 重因式 因式分解 |
| 文章编号： | 1008-4886(2002)02-0004-02 |
The Application of Derivation in Resolution of Double Factors |
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| TANG Guang-song ,LUO Ling.The Application of Derivation in Resolution of Double Factors[J].Journal of Daxian Teachers College,2002,12(2):4-5,7. |
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| Authors: | TANG Guang-song LUO Ling |
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| Institution: | TANG Guang-song 1,LUO Ling 2 |
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| Abstract: | This paper gives the essential conditions of plural multinomial double factors that can be resolved into factors by means of derivation and present their steps. It also provides the sufficient conditions of judgments on double factors. This paper then gives conditions for resolution into factors of quadratic six order equations in middle school teaching. |
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| Keywords: | plural multinomial derivation double factors resolution into factors double roots essential conditions sufficient conditions |
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