摘要
论述分别利用二次曲线极点与极线的理论和巴斯卡定理的特殊情形,求作二次曲线上已知点的切线问题,得到两种精确的切线作图法.
Basing on the theory of utmost line,utmost point and specific forms of PASCA theorem,the author discusses the problem of doing a tangent line of quadratic curre.
出处
《广西民族学院学报(自然科学版)》
CAS
1998年第4期13-14,共2页
Journal of Guangxi University For Nationalities(Natural Science Edition)