已知线段AB被点C(2,0,2)和D(5,-2,0)三等分,则端点A和B的坐标为

Freeti2019-12-17  13

问题 已知线段AB被点C(2,0,2)和D(5,-2,0)三等分,则端点A和B的坐标为(  ).

选项 A.A(-1,2,4),B(8,-4,-2)B.A(1,2,4),B(8,4,-2)C.A(-1,2,4),B(-8,-4,-2)D.A(-1,2,4),B(-8,4,-2)

答案A

解析[img]/upload/tiku/459/6542721_1.png[/img]
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