在平面直角坐标系
中,定义
为
两点之间的“折线距离”已知点
,动点
满足
,点
是曲线
上任意一点,则
的取值范围是_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c913b3abbf53d81fcf25bf83d4ae3756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cd92f36a8b808d78169e0ed8f6ee0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36652c26c7179fddc130098e1589f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f2d7ff61325c36e3c9f5ac3d6e04cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a235029093d0716042cddfae2f125f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a50c4a975df9d88dd9b810e3a9df64c.png)
更新时间:2024-02-26 16:06:22
|
相似题推荐
填空题-单空题
|
适中
(0.65)
解题方法
【推荐1】设函数
,若
恒成立,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fd78e4155131732470a3f5a807eace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
真题
解题方法
【推荐2】如图,某人在垂直于水平地面
的墙面前的点
处进行射击训练.已知点
到墙面的距离为
,某目标点
沿墙面的射击线
移动,此人为了准确瞄准目标点
,需计算由点
观察点
的仰角
的大小.若
则
的最大值_______
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/3a9c2777f03746b79af45a2e2671eca8.png?resizew=25)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/16c408ab77bb46ca95d172fccda9d9b2.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/16c408ab77bb46ca95d172fccda9d9b2.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/fedbbc5113d641aeb747901d58f9a29a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/c678cd40920d4fa2b609cd7cb1b7915a.png?resizew=8)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/3bd3c67e27294ed284d88d833bed706f.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/c678cd40920d4fa2b609cd7cb1b7915a.png?resizew=8)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/16c408ab77bb46ca95d172fccda9d9b2.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/c678cd40920d4fa2b609cd7cb1b7915a.png?resizew=8)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/2aafd50912224b5fb760f596e5068efb.png?resizew=8)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/1ac097aeaf2c4ca28b234f3f4ad9e1e3.png?resizew=242)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/b0134ba1b6ec44089f486199e64f9274.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2014/6/20/1571784637104128/1571784642420736/STEM/873dcded-688a-48f9-990f-087cbb70352a.png)
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
解题方法
【推荐1】已知圆
与圆
的公共弦所在直线恒过点
,则点
坐标为______ ;
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13600c47bb642246f50a95f0fe4b49b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5fd40697ab291dc6891d71dfe4ededc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66190e412f9199293f8d6e0c5bc6abc6.png)
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
【推荐2】已知直角三角形
中,直角边
,点
是边
上一定点,
,点
是斜边
上一动点,
,则
面积的最大值为________ ;线段
长度的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945efbd2a73b8f37b115b56f4f3ea937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9524e3810e06dc781285f1289e75d653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
您最近一年使用:0次