名校
解题方法
1 . 已知函数
(
).
(1)证明:
;
(2)设
为
的极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd24e1805a8bf7065daf04400558ae26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03a6efa91ceaba6fb0288b5777477f9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5065bc36ddb30aff558851d0c4549fd3.png)
您最近一年使用:0次
名校
解题方法
2 . 已知在平行四边形ABCD中,
,
,
,把△ABD沿BD折起使得A点变为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d7ffb7889a31b267a85f1ea238138e.png)
A.![]() |
B.三棱锥![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() |
您最近一年使用:0次
2022-05-26更新
|
1522次组卷
|
4卷引用:重庆市重庆十八中两江实验中学校2023届高三上学期第一次适应性强化训练数学试题