椭圆C1:9x^2+25Y^2=225,设椭圆C2与C1的长轴长相等,短轴长分别相等,且椭圆C2的焦点与椭圆C1不在一个坐标轴上1.求椭圆C1的长轴长,短轴长,焦点坐标及离心率2.写出C2的方程,并求顶点坐标及离心率
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![椭圆C1:9x^2+25Y^2=225,设椭圆C2与C1的长轴长相等,短轴长分别相等,且椭圆C2的焦点与椭圆C1不在一个坐标轴上1.求椭圆C1的长轴长,短轴长,焦点坐标及离心率2.写出C2的方程,并求顶点坐标及离心率](/uploads/image/z/13305622-22-2.jpg?t=%E6%A4%AD%E5%9C%86C1%3A9x%5E2%2B25Y%5E2%3D225%2C%E8%AE%BE%E6%A4%AD%E5%9C%86C2%E4%B8%8EC1%E7%9A%84%E9%95%BF%E8%BD%B4%E9%95%BF%E7%9B%B8%E7%AD%89%2C%E7%9F%AD%E8%BD%B4%E9%95%BF%E5%88%86%E5%88%AB%E7%9B%B8%E7%AD%89%2C%E4%B8%94%E6%A4%AD%E5%9C%86C2%E7%9A%84%E7%84%A6%E7%82%B9%E4%B8%8E%E6%A4%AD%E5%9C%86C1%E4%B8%8D%E5%9C%A8%E4%B8%80%E4%B8%AA%E5%9D%90%E6%A0%87%E8%BD%B4%E4%B8%8A1.%E6%B1%82%E6%A4%AD%E5%9C%86C1%E7%9A%84%E9%95%BF%E8%BD%B4%E9%95%BF%2C%E7%9F%AD%E8%BD%B4%E9%95%BF%2C%E7%84%A6%E7%82%B9%E5%9D%90%E6%A0%87%E5%8F%8A%E7%A6%BB%E5%BF%83%E7%8E%872.%E5%86%99%E5%87%BAC2%E7%9A%84%E6%96%B9%E7%A8%8B%2C%E5%B9%B6%E6%B1%82%E9%A1%B6%E7%82%B9%E5%9D%90%E6%A0%87%E5%8F%8A%E7%A6%BB%E5%BF%83%E7%8E%87)
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