解题方法
1 . 已知点
,
,点
为圆
上一点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65304d03bb720d836e7bbd2fab6e977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c781a586eabe6d875c1eb1cb733c6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af6322b72ea9fec025bbbba2ea327f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5a116a0cfec5d1979c5c8db09ffb2f.png)
您最近一年使用:0次
解题方法
2 . 在平面直角坐标系中,线段
的两端点分别落在
轴,
轴上,
,点
,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcf9bfbf771cb6118f8e631724314e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd8b8ceece9b2e576dff09c6cc670d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f76667e3a76e2c1de0a6b6805e1e496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853d44af78e164569cd514250d1abdb0.png)
您最近一年使用:0次
3 . 已知非零平面向量
满足
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab7cad34fccd0fe584087604e863f352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480df6a1b24c07b8116bd02603617740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c76bba8fc146493e28131e77e6a4cb7.png)
您最近一年使用:0次
4 . 已知
,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2409ed4ded46b0386de1190cbf4dfc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0b0a3114c0b6c3da4e55f6be4ceb96.png)
您最近一年使用:0次
5 . 在
中,已知
,
,P是斜边BC上一动点,点Q满足
,若
,则
的最小值为______ ,最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d14c6959273338a048b023805cce80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47fe8919ffeadb77ebe7dcdc2676cc0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
您最近一年使用:0次