1 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87968a90cea52e5a38cd3e2000745713.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4a1924f9a1f36f4aff957bac21577a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f350a7b91d598aed774068f5f8ef1275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87968a90cea52e5a38cd3e2000745713.png)
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解题方法
2 .
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fdf9ad470c3e491674cb1e8e7e6cc60.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5745ecaff1e2be0eaed9e3fc1a241f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fdf9ad470c3e491674cb1e8e7e6cc60.png)
您最近一年使用:0次
3 . 在
中,若
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da8d4202e361b954b284a5d59c9d5b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03005d17bf564371ad29fea41f5c650.png)
您最近一年使用:0次
2017-11-27更新
|
1952次组卷
|
2卷引用:河南省豫北豫南名校2018届高三上学期精英联赛理数试题
名校
4 . 已知圆
与曲线
有唯一的公共点,且公共点的横坐标为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc24e2d9bcc823abb47d63f98fa6866a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3162d2c7b650bba3e401ffbb1e13bb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be713e895d3607ccea984d514a85be2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
2017-11-16更新
|
1081次组卷
|
2卷引用:河南省漯河市高级中学2018届高三上学期第三次模拟考试(期中)数学(理)试题
5 . 若
,且
,则
的值为_____.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dea3c58a0226804940ae851497c6ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f715e66d413eefbe7d0862bf0503dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4297d3c8ab890b25a01501a9d9990066.png)
您最近一年使用:0次
名校
解题方法
6 . 在
中,已知
,给出以下四个论断:①
;②
;③
;④
,其中正确的是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ee26622a95ee0b12c1367595cc69b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2055183b833ef7071851abb75ba7837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1000b42567cef8d976d3a41f30f84ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7f8b210e25b21581f4e7f248ce420d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ef6ad524b708679ae2ba6484bc9b52.png)
您最近一年使用:0次