HELP:1 抛物线X^2=Y/A(A>0)与直线Y=KX+B交于两点,它们的横坐标为X1 X2,直线与X轴焦点横坐标是X3,那么X1 X2 X3的关系是?2 抛物线Y=-X^2/A与过点M(0,-1)的直线相交于A,B两点,O为坐标原点,若直线OA与OB的
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 08:18:37
![HELP:1 抛物线X^2=Y/A(A>0)与直线Y=KX+B交于两点,它们的横坐标为X1 X2,直线与X轴焦点横坐标是X3,那么X1 X2 X3的关系是?2 抛物线Y=-X^2/A与过点M(0,-1)的直线相交于A,B两点,O为坐标原点,若直线OA与OB的](/uploads/image/z/13296355-43-5.jpg?t=HELP%EF%BC%9A1+%E6%8A%9B%E7%89%A9%E7%BA%BFX%5E2%3DY%2FA%28A%3E0%29%E4%B8%8E%E7%9B%B4%E7%BA%BFY%3DKX%2BB%E4%BA%A4%E4%BA%8E%E4%B8%A4%E7%82%B9%2C%E5%AE%83%E4%BB%AC%E7%9A%84%E6%A8%AA%E5%9D%90%E6%A0%87%E4%B8%BAX1+X2%2C%E7%9B%B4%E7%BA%BF%E4%B8%8EX%E8%BD%B4%E7%84%A6%E7%82%B9%E6%A8%AA%E5%9D%90%E6%A0%87%E6%98%AFX3%2C%E9%82%A3%E4%B9%88X1+X2+X3%E7%9A%84%E5%85%B3%E7%B3%BB%E6%98%AF%3F2+%E6%8A%9B%E7%89%A9%E7%BA%BFY%3D-X%5E2%2FA%E4%B8%8E%E8%BF%87%E7%82%B9M%EF%BC%880%2C-1%EF%BC%89%E7%9A%84%E7%9B%B4%E7%BA%BF%E7%9B%B8%E4%BA%A4%E4%BA%8EA%2CB%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%E7%9B%B4%E7%BA%BFOA%E4%B8%8EOB%E7%9A%84)
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