[中學] 空間中的直線與平面
空間中,點A(-6,-4,1)為直線L:(x+6)/2 = (y+4)/-3 = (z-1)/6上
一點,平面E:19x-4y+8z=8
(1)過A點垂直L的平面E',求E與E'的交線方程式為_______
(用對稱比例式表示)
(2)若直線L與E的交點為B,而平面E上的點C滿足AC線段長=AB線段
長,求使三角形ABC面積最大時,點C的座標為_________
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