\椭圆x^/2+y^/4=1的焦点分别为F1,F2,P是椭圆上在第一象限椭圆x^/2+y^/4=1的焦点分别为F1,F2,P是椭圆上在第一象限,并满足向量PF1*向量PF2=1,过P作倾斜角互补的两条直线PA,PB分别交椭圆于A,B两点:(1)
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![\椭圆x^/2+y^/4=1的焦点分别为F1,F2,P是椭圆上在第一象限椭圆x^/2+y^/4=1的焦点分别为F1,F2,P是椭圆上在第一象限,并满足向量PF1*向量PF2=1,过P作倾斜角互补的两条直线PA,PB分别交椭圆于A,B两点:(1)](/uploads/image/z/6863127-15-7.jpg?t=%5C%E6%A4%AD%E5%9C%86x%5E%2F2%2By%5E%2F4%3D1%E7%9A%84%E7%84%A6%E7%82%B9%E5%88%86%E5%88%AB%E4%B8%BAF1%2CF2%2CP%E6%98%AF%E6%A4%AD%E5%9C%86%E4%B8%8A%E5%9C%A8%E7%AC%AC%E4%B8%80%E8%B1%A1%E9%99%90%E6%A4%AD%E5%9C%86x%5E%2F2%2By%5E%2F4%3D1%E7%9A%84%E7%84%A6%E7%82%B9%E5%88%86%E5%88%AB%E4%B8%BAF1%2CF2%2CP%E6%98%AF%E6%A4%AD%E5%9C%86%E4%B8%8A%E5%9C%A8%E7%AC%AC%E4%B8%80%E8%B1%A1%E9%99%90%2C%E5%B9%B6%E6%BB%A1%E8%B6%B3%E5%90%91%E9%87%8FPF1%2A%E5%90%91%E9%87%8FPF2%3D1%2C%E8%BF%87P%E4%BD%9C%E5%80%BE%E6%96%9C%E8%A7%92%E4%BA%92%E8%A1%A5%E7%9A%84%E4%B8%A4%E6%9D%A1%E7%9B%B4%E7%BA%BFPA%2CPB%E5%88%86%E5%88%AB%E4%BA%A4%E6%A4%AD%E5%9C%86%E4%BA%8EA%2CB%E4%B8%A4%E7%82%B9%EF%BC%9A%EF%BC%881%EF%BC%89)
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