已知椭圆C:x^2/a^2+y^2/b^2=1(a>b>0)的左,右焦点分别为F1,F2,点A在椭圆C上,且向量AF1×向量F1F2=0,3|向量AF2|×|向量F1A|=-5向量AF2×向量F1A,|向量F1F1|=2,过点F2且与坐标轴不垂直的直线交椭圆于P,Q两点(1)求
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![已知椭圆C:x^2/a^2+y^2/b^2=1(a>b>0)的左,右焦点分别为F1,F2,点A在椭圆C上,且向量AF1×向量F1F2=0,3|向量AF2|×|向量F1A|=-5向量AF2×向量F1A,|向量F1F1|=2,过点F2且与坐标轴不垂直的直线交椭圆于P,Q两点(1)求](/uploads/image/z/2586923-35-3.jpg?t=%E5%B7%B2%E7%9F%A5%E6%A4%AD%E5%9C%86C%3Ax%5E2%2Fa%5E2%2By%5E2%2Fb%5E2%3D1%28a%3Eb%3E0%29%E7%9A%84%E5%B7%A6%2C%E5%8F%B3%E7%84%A6%E7%82%B9%E5%88%86%E5%88%AB%E4%B8%BAF1%2CF2%2C%E7%82%B9A%E5%9C%A8%E6%A4%AD%E5%9C%86C%E4%B8%8A%2C%E4%B8%94%E5%90%91%E9%87%8FAF1%C3%97%E5%90%91%E9%87%8FF1F2%3D0%2C3%7C%E5%90%91%E9%87%8FAF2%7C%C3%97%7C%E5%90%91%E9%87%8FF1A%7C%3D-5%E5%90%91%E9%87%8FAF2%C3%97%E5%90%91%E9%87%8FF1A%2C%7C%E5%90%91%E9%87%8FF1F1%7C%3D2%2C%E8%BF%87%E7%82%B9F2%E4%B8%94%E4%B8%8E%E5%9D%90%E6%A0%87%E8%BD%B4%E4%B8%8D%E5%9E%82%E7%9B%B4%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%BA%A4%E6%A4%AD%E5%9C%86%E4%BA%8EP%2CQ%E4%B8%A4%E7%82%B9%EF%BC%881%EF%BC%89%E6%B1%82)
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