CAJ | 학술논문

借助解析几何计算、二阶曲线的射影与度量性质、Pascal线等知识探求命题＂有心二阶曲线的相互垂直切线的交点的轨迹是圆＂的五种证明方法,对于开阔学术视野,训练多角度思维有很大的启发性。其中,利用Pascal线证明的方法较为罕见,尤其值得关注。
차조해석궤하계산、이계곡선적사영여도량성질、Pascal선등지식탐구명제＂유심이계곡선적상호수직절선적교점적궤적시원＂적오충증명방법,대우개활학술시야,훈련다각도사유유흔대적계발성。기중,이용Pascal선증명적방법교위한견,우기치득관주。
This paper makes use of the analytic geometry calculation, second order curve of projective and measurement properties, Pascal line to search out knowledge proposition ＂intentional second order curve of the intersection of the perpendicular tangents of the track is circle＂ five kind of proof method. Especially the use of the method of proof line Pascal is relatively rare!