已知抛物线C:y=ax^(a为非零常数)的焦点为F,点P为抛物线C上一个动点,过点P且与抛物线C相切的直线记为L.1、求F的坐标2、当点P在何处时,点F到直线L的距离最小?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 01:18:24
![已知抛物线C:y=ax^(a为非零常数)的焦点为F,点P为抛物线C上一个动点,过点P且与抛物线C相切的直线记为L.1、求F的坐标2、当点P在何处时,点F到直线L的距离最小?](/uploads/image/z/11480123-11-3.jpg?t=%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFC%3Ay%3Dax%5E%28a%E4%B8%BA%E9%9D%9E%E9%9B%B6%E5%B8%B8%E6%95%B0%29%E7%9A%84%E7%84%A6%E7%82%B9%E4%B8%BAF%2C%E7%82%B9P%E4%B8%BA%E6%8A%9B%E7%89%A9%E7%BA%BFC%E4%B8%8A%E4%B8%80%E4%B8%AA%E5%8A%A8%E7%82%B9%2C%E8%BF%87%E7%82%B9P%E4%B8%94%E4%B8%8E%E6%8A%9B%E7%89%A9%E7%BA%BFC%E7%9B%B8%E5%88%87%E7%9A%84%E7%9B%B4%E7%BA%BF%E8%AE%B0%E4%B8%BAL.1%E3%80%81%E6%B1%82F%E7%9A%84%E5%9D%90%E6%A0%872%E3%80%81%E5%BD%93%E7%82%B9P%E5%9C%A8%E4%BD%95%E5%A4%84%E6%97%B6%2C%E7%82%B9F%E5%88%B0%E7%9B%B4%E7%BA%BFL%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%9C%80%E5%B0%8F%3F)
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