解题方法
1 . 函数
的图象恒过定点A,若点A在直线
上,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73ecd5822a7d6232c4a756a36ce9414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b051ac0715a62726973ca9c15d17c1c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a056c6f051e0affc8721f14614e8f2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
2016-12-03更新
|
1025次组卷
|
5卷引用:【省级联考】新疆2019届高三年级第一次毕业诊断及模拟测试文科数学试题
2011·新疆·二模
解题方法
2 .
满足
,
,设
是
内的一点(不在边界上),定义
,其中
分别表示
的面积,若
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b1e8bf467d5fa7b4f030b18f26296c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4020513c097ba34df4b42e297f892cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8003d12d3388362a4bcbf425265f998e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d201ead127c65cc0bc153fdb445e420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945759f8eab9b95dbc0199e0e25eb7e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f257b71e2b7886aadf7f1ebc809c10b1.png)
A.9 | B.8 | C.18 | D.16 |
您最近一年使用:0次