题目内容
已知有两条直线x+my+6=0和(m-2)x+3y+2m=0互相平行,则实数m的值为______.
由两条直线x+my+6=0和(m-2)x+3y+2m=0互相平行可得
=
≠
,即
=
≠
,
解得 m=-1,
故答案为-1.
| a1 |
| a2 |
| b1 |
| b2 |
| c1 |
| c2 |
| 1 |
| m-2 |
| m |
| 3 |
| 6 |
| 2m |
解得 m=-1,
故答案为-1.
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题目内容
| a1 |
| a2 |
| b1 |
| b2 |
| c1 |
| c2 |
| 1 |
| m-2 |
| m |
| 3 |
| 6 |
| 2m |