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空間中直線AB與X軸歪斜
Author:
Ho-Kai Chen
已知空間中兩點A(1,2,1) ﹐B(2,1,3)且直線AB 與X 軸歪斜﹐求 (1)包含X 軸且與直線AB 平行之平面 的方程式﹒ (2)直線AB 與X 軸的公垂線段長﹒
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