| 抛物线关于切线的性质及其在作图中的应用 |
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| 引用本文： | 刘德金,刘文虎,张存峰.抛物线关于切线的性质及其在作图中的应用[J].德州学院学报,2004,20(4):6-7,16. |
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| 作者姓名： | 刘德金 刘文虎 张存峰 |
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| 作者单位： | 德州学院数学系,山东德州,253023 |
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| 摘 要： | 利用代数法证明了过平面上一点抛物线切线的存在性问题.给出了抛物线有关切线的几条新性质,得到了作抛物线切线的新方法.
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| 关 键 词： | 抛物线 切线 作图 |
| 文章编号： | 1004-9444(2004)04-0006-03 |
Property of parabola about tangent and its application in construction |
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| LIU De-jin,LIU Wen-hu,ZHANG Cun-feng.Property of parabola about tangent and its application in construction[J].Journal of Dezhou University,2004,20(4):6-7,16. |
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| Authors: | LIU De-jin LIU Wen-hu ZHANG Cun-feng |
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| Abstract: | In this paper,it is proved that the existence problem of parabola's tangent through arbitrary point on plane by using the methods of algebraic,and some new property of parabola about tangent has been obtained. Further, we also give a new method of construction for parabola's tangent. |
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| Keywords: | Parabola tangent construction |
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