过点p(2,1)的直线l与椭圆x^2/2+y^2=1相交 (1)交于A,B OA⊥OB,求l的方程...过点p(2,1)的直线l与椭圆x^2/2+y^2=1相交(1)交于A,B OA⊥OB,求l的方程,并求三角形OAB的面积(2)若FA⊥FB,求l的方程
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![过点p(2,1)的直线l与椭圆x^2/2+y^2=1相交 (1)交于A,B OA⊥OB,求l的方程...过点p(2,1)的直线l与椭圆x^2/2+y^2=1相交(1)交于A,B OA⊥OB,求l的方程,并求三角形OAB的面积(2)若FA⊥FB,求l的方程](/uploads/image/z/12466841-41-1.jpg?t=%E8%BF%87%E7%82%B9p%EF%BC%882%2C1%EF%BC%89%E7%9A%84%E7%9B%B4%E7%BA%BFl%E4%B8%8E%E6%A4%AD%E5%9C%86x%5E2%2F2%2By%5E2%3D1%E7%9B%B8%E4%BA%A4+%EF%BC%881%EF%BC%89%E4%BA%A4%E4%BA%8EA%2CB+OA%E2%8A%A5OB%2C%E6%B1%82l%E7%9A%84%E6%96%B9%E7%A8%8B...%E8%BF%87%E7%82%B9p%EF%BC%882%2C1%EF%BC%89%E7%9A%84%E7%9B%B4%E7%BA%BFl%E4%B8%8E%E6%A4%AD%E5%9C%86x%5E2%2F2%2By%5E2%3D1%E7%9B%B8%E4%BA%A4%EF%BC%881%EF%BC%89%E4%BA%A4%E4%BA%8EA%2CB+OA%E2%8A%A5OB%2C%E6%B1%82l%E7%9A%84%E6%96%B9%E7%A8%8B%2C%E5%B9%B6%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2OAB%E7%9A%84%E9%9D%A2%E7%A7%AF%EF%BC%882%EF%BC%89%E8%8B%A5FA%E2%8A%A5FB%2C%E6%B1%82l%E7%9A%84%E6%96%B9%E7%A8%8B)
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