通过点A(-3,0,1)和B(2,-5,3)的直线方程是_____.
(x+3)/5=y/-5=(z-1)/2。 解析:直线的方向向量可取为 =AB(向量)={5,-5,2}, 又直线过点A(-3,0,1),故其对称式方程为 (x+3)/5=y/-5=(z-1)/2
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