已知直线l1：mx＋8y＋n＝0与l2：2x＋my－1＝0互相平行，且l1，l2之间的距离为 5 ，求直线l1的方程．_刷题宝

题干

已知直线l₁：mx＋8y＋n＝0与l₂：2x＋my－1＝0互相平行，且l₁，l₂之间的距离为 5 ，求直线l₁的方程．

上一题下一题 0.0难度选择题更新时间:2019-05-24 11:42:07

答案(点此获取答案解析）

解:∵l₁∥l₂，∴

m

2

=

8

m

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n

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1

，∴ <

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