椭圆定点,向量积为定值的问题过平面内一定点L(m,n)作一直线y=kx+b交椭圆X^2/A+Y^2/B=1于两点P,Q,那么在平面内是否有一点T(t,r)使得TP,TQ向量积为定值?该定值为多少?T点坐标多少?补充:我认
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 05:20:08
![椭圆定点,向量积为定值的问题过平面内一定点L(m,n)作一直线y=kx+b交椭圆X^2/A+Y^2/B=1于两点P,Q,那么在平面内是否有一点T(t,r)使得TP,TQ向量积为定值?该定值为多少?T点坐标多少?补充:我认](/uploads/image/z/11516343-15-3.jpg?t=%E6%A4%AD%E5%9C%86%E5%AE%9A%E7%82%B9%2C%E5%90%91%E9%87%8F%E7%A7%AF%E4%B8%BA%E5%AE%9A%E5%80%BC%E7%9A%84%E9%97%AE%E9%A2%98%E8%BF%87%E5%B9%B3%E9%9D%A2%E5%86%85%E4%B8%80%E5%AE%9A%E7%82%B9L%EF%BC%88m%2Cn%EF%BC%89%E4%BD%9C%E4%B8%80%E7%9B%B4%E7%BA%BFy%3Dkx%2Bb%E4%BA%A4%E6%A4%AD%E5%9C%86X%5E2%2FA%2BY%5E2%2FB%3D1%E4%BA%8E%E4%B8%A4%E7%82%B9P%2CQ%2C%E9%82%A3%E4%B9%88%E5%9C%A8%E5%B9%B3%E9%9D%A2%E5%86%85%E6%98%AF%E5%90%A6%E6%9C%89%E4%B8%80%E7%82%B9T%EF%BC%88t%2Cr%EF%BC%89%E4%BD%BF%E5%BE%97TP%2CTQ%E5%90%91%E9%87%8F%E7%A7%AF%E4%B8%BA%E5%AE%9A%E5%80%BC%3F%E8%AF%A5%E5%AE%9A%E5%80%BC%E4%B8%BA%E5%A4%9A%E5%B0%91%3FT%E7%82%B9%E5%9D%90%E6%A0%87%E5%A4%9A%E5%B0%91%3F%E8%A1%A5%E5%85%85%EF%BC%9A%E6%88%91%E8%AE%A4)
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