过抛物线y平方等于4x的焦点F的直线交抛物线于A.B两点,O为坐标原点,若|AF|=4,则三角形ABO的面积是多少?)
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![过抛物线y平方等于4x的焦点F的直线交抛物线于A.B两点,O为坐标原点,若|AF|=4,则三角形ABO的面积是多少?)](/uploads/image/z/3926104-16-4.jpg?t=%E8%BF%87%E6%8A%9B%E7%89%A9%E7%BA%BFy%E5%B9%B3%E6%96%B9%E7%AD%89%E4%BA%8E4x%E7%9A%84%E7%84%A6%E7%82%B9F%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%BA%8EA.B%E4%B8%A4%E7%82%B9%2CO%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2C%E8%8B%A5%7CAF%7C%3D4%2C%E5%88%99%E4%B8%89%E8%A7%92%E5%BD%A2ABO%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%98%AF%E5%A4%9A%E5%B0%91%3F%EF%BC%89)
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