已知
,则“
”是“直线
与直线
平行”的________ .条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e2fed5a0431d09b425fce5ab11acb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd43155d0f467753f7c6012bcb1f753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3cfd459369c0614433de49ae92a01d.png)
更新时间:2019-11-15 10:28:06
|
相似题推荐
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐2】已知
,写出使得“
对任意的实数a,b恒成立”的一个充分不必要条件为____________ .(用含m的式子表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03f939d9c0cc5a13f3d2885048df3de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/979f6a8090a34adfa789487d34e64432.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐1】已知直线
:
与
:
平行,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ab9772b63c19a7866c2ca0f5dd172e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51eeb6d05a318564c674c579afcfeff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
填空题-双空题
|
较易
(0.85)
解题方法
【推荐2】设直线
,
方程分别为
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_______ .
,
两条平行线间的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2079ed7990a63ba8d786a05a1c89994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350fc0705cb7e5d6f9d11cc2887757e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dee3479a14c6e6f857a5568faf76440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次