已知椭圆C:x2 a2 +y2 b2 =1 (a>b>0) (1)已知椭圆的长轴是焦距的2倍,右焦点坐标为F(1,0),写出已知椭圆C:x2/ a2+y2/b2 =1(a>b>0)(3)设点P是椭圆C 上的任意一点,过原点的直线L与椭圆相交于M
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![已知椭圆C:x2 a2 +y2 b2 =1 (a>b>0) (1)已知椭圆的长轴是焦距的2倍,右焦点坐标为F(1,0),写出已知椭圆C:x2/ a2+y2/b2 =1(a>b>0)(3)设点P是椭圆C 上的任意一点,过原点的直线L与椭圆相交于M](/uploads/image/z/6863172-60-2.jpg?t=%E5%B7%B2%E7%9F%A5%E6%A4%AD%E5%9C%86C%EF%BC%9Ax2+a2+%2By2+b2+%3D1+%28a%EF%BC%9Eb%EF%BC%9E0%29+%EF%BC%881%EF%BC%89%E5%B7%B2%E7%9F%A5%E6%A4%AD%E5%9C%86%E7%9A%84%E9%95%BF%E8%BD%B4%E6%98%AF%E7%84%A6%E8%B7%9D%E7%9A%842%E5%80%8D%2C%E5%8F%B3%E7%84%A6%E7%82%B9%E5%9D%90%E6%A0%87%E4%B8%BAF%EF%BC%881%2C0%EF%BC%89%2C%E5%86%99%E5%87%BA%E5%B7%B2%E7%9F%A5%E6%A4%AD%E5%9C%86C%EF%BC%9Ax2%2F+a2%2By2%2Fb2+%3D1%28a%EF%BC%9Eb%EF%BC%9E0%EF%BC%89%EF%BC%883%EF%BC%89%E8%AE%BE%E7%82%B9P%E6%98%AF%E6%A4%AD%E5%9C%86C+%E4%B8%8A%E7%9A%84%E4%BB%BB%E6%84%8F%E4%B8%80%E7%82%B9%2C%E8%BF%87%E5%8E%9F%E7%82%B9%E7%9A%84%E7%9B%B4%E7%BA%BFL%E4%B8%8E%E6%A4%AD%E5%9C%86%E7%9B%B8%E4%BA%A4%E4%BA%8EM)
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