(1)1.已知椭圆的焦点为F1(0,-2),F2(0,2),椭圆上的点到两个焦点的距离之和为8,求椭圆的标准方程.(2)2.写出下列椭圆的焦点坐标和焦距:1、x^2/49 + y^2/24 = 12、4x^2 + y^2 = 64
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![(1)1.已知椭圆的焦点为F1(0,-2),F2(0,2),椭圆上的点到两个焦点的距离之和为8,求椭圆的标准方程.(2)2.写出下列椭圆的焦点坐标和焦距:1、x^2/49 + y^2/24 = 12、4x^2 + y^2 = 64](/uploads/image/z/2806721-17-1.jpg?t=%EF%BC%881%EF%BC%891.%E5%B7%B2%E7%9F%A5%E6%A4%AD%E5%9C%86%E7%9A%84%E7%84%A6%E7%82%B9%E4%B8%BAF1%280%2C-2%29%2CF2%280%2C2%29%2C%E6%A4%AD%E5%9C%86%E4%B8%8A%E7%9A%84%E7%82%B9%E5%88%B0%E4%B8%A4%E4%B8%AA%E7%84%A6%E7%82%B9%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B9%8B%E5%92%8C%E4%B8%BA8%2C%E6%B1%82%E6%A4%AD%E5%9C%86%E7%9A%84%E6%A0%87%E5%87%86%E6%96%B9%E7%A8%8B.%EF%BC%882%EF%BC%892.%E5%86%99%E5%87%BA%E4%B8%8B%E5%88%97%E6%A4%AD%E5%9C%86%E7%9A%84%E7%84%A6%E7%82%B9%E5%9D%90%E6%A0%87%E5%92%8C%E7%84%A6%E8%B7%9D%EF%BC%9A1%E3%80%81x%5E2%2F49+%2B+y%5E2%2F24+%3D+12%E3%80%814x%5E2+%2B+y%5E2+%3D+64)
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