名校
解题方法
1 . 函数
为参数,
(1)解关于
的不等式
;
(2)当
最大值为
,最小值为
,若
,求参数
的取值范围;
(3)若
在区间
上满足
有两解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db2e3d3b0a2d4d510a746bcd16184b4.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b5c7c88bc915ff14da8efa16a1d641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5f18a08ed6cf92b894ea722af72862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf6481810c89001ea1bae271d5a20e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92150ec341022fc192765335079b3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b779207a097010b0ee4864b1e653ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-04-02更新
|
255次组卷
|
3卷引用:重庆市綦江中学2018-2019学年高一上学期期中数学试题
名校
解题方法
2 . 已知
,若
互不相等,且
,则
的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef22d91d93f558a1e5c83ffde305e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f74cb3f9906bdbb0e6d9cf69fa2190b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f595edc6e443259441c4a02debf98c1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知首项都是1的两个数列{
},{
}(
≠0,n∈N*)满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f379586601dadb588ad439226b1d1a0.png)
(1)令
,求数列{
}的通项公式;
(2)若
=
,求数列{
}的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9408e3483a9e54c6598e4ce7fb9211f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ea1f915eed0bb5e662313e084e9328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ea1f915eed0bb5e662313e084e9328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f379586601dadb588ad439226b1d1a0.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786ff08602874aebc771b0c7dc6c6dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b0c0c0518d95224872da0acf5c6b30.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ea1f915eed0bb5e662313e084e9328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d17568772e309b6775939a4b4cd1af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9408e3483a9e54c6598e4ce7fb9211f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58fce1b44d0491f277449f0217f4f3ec.png)
您最近一年使用:0次
2018-08-12更新
|
961次组卷
|
10卷引用:重庆市綦江实验中学校2017-2018学年高一下学期半期考试数学(理)试题.
重庆市綦江实验中学校2017-2018学年高一下学期半期考试数学(理)试题.2015届甘肃省天水市一中高三5月中旬仿真考试理科数学试卷2015-2016学年河北衡水冀州中学高二上学期第一次月考理科数学试卷2016届贵州市兴义市八中高三上第四次月考理科数学试卷2015-2016学年贵州遵义一中高二下联考理科数学试卷2015-2016学年贵州遵义一中高二下联考文科数学试卷河南省林州市第一中学2019-2020学年高二(实验班)4月月考数学试题江苏省木渎高级中学2020-2021学年高二上学期三校12月联合调研数学试题(已下线)重难点02:求数列前n项和常用10种解题策略-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第二册)(已下线)专题21 数列解答题(理科)-2