名校
解题方法
1 . 已知函数
,
.
(1)若
,证明:
;
(2)若
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877e302bb552f3b17d4428b7c48629ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495b767764be7fd47876dcebb6f51970.png)
您最近一年使用:0次
2022-06-20更新
|
665次组卷
|
2卷引用:青海省2022届高三五月大联考理科数学试题
解题方法
2 . 已知函数
,曲线
在
处的切线与直线
垂直.
(1)求
的值.
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d95aa7445ae32ebce0f7aa3a284327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f129d441ab39d195cb2580c46065d0fb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac0c4f74d16d30a8799b03b41460cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c62b3c44e262862c5d29c0d28ae17c6.png)
您最近一年使用:0次
2022-05-10更新
|
592次组卷
|
2卷引用:青海省西宁市大通回族土族自治县2022届高三第二次模拟考试数学(理科)试题