已知函数
,
.
(1)若
是偶函数,求
的取值;
(2)求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661cdfc0b14811901f8736976eddb232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
更新时间:2022-11-08 06:37:09
|
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解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】(1)已知![](https://img.xkw.com/dksih/QBM/2015/12/23/1572383539773440/1572383545950208/STEM/a7c0a72d59674083992827a549e801e7.png?resizew=12)
,![](https://img.xkw.com/dksih/QBM/2015/12/23/1572383539773440/1572383545950208/STEM/5f5d8c82211046c69870584f3a92e9de.png?resizew=19)
.若“
”是“
”的充分不必要条件,求实数
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(2)已知两个关于x的一元二次方程mx2-4x+4=0和x2-4mx+4m2-4m-5=0,求两方程的根都是整数的充要条件.
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572383539773440/1572383545950208/STEM/a7c0a72d59674083992827a549e801e7.png?resizew=12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7910730a9f51261e7531c7cdb79ac3b.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572383539773440/1572383545950208/STEM/5f5d8c82211046c69870584f3a92e9de.png?resizew=19)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf157f48b438b625f7a14db6b4f7b5.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572383539773440/1572383545950208/STEM/06d3a9c331a74a1ba449fc7f62a318c9.png?resizew=25)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572383539773440/1572383545950208/STEM/bd21cfd5f3bc4ea3a0df7a6188ac4331.png?resizew=25)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知两个关于x的一元二次方程mx2-4x+4=0和x2-4mx+4m2-4m-5=0,求两方程的根都是整数的充要条件.
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适中
(0.65)
名校
【推荐2】已知二次函数
,若不等式
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(1)求集合C;
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(
且
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上存在零点,求实数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f762c96e3ac6d45248ff06ebd7a6e0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0548e09326a48b9253e9d47005fd07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求集合C;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e161376c2bcc295aaf779cb55557d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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适中
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【推荐1】已知函数
,其导函数
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(1)求实数m,n的值;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39fab552c070791a7d61c0d5b7bc628d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc1c2c6d6645ef8998d41f0950834d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ccec8d890473e3b4d07a8a17090238.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5cefd4d4fa75cb821693c3c62cb5214.png)
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适中
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【推荐2】已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45840796469562b093577100fe44b1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)已知不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565fe9bd372516383710175cd1f140f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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(0.65)
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【推荐3】已知函数
是奇函数.
(1)若
,求实数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a194c75981b29ca065e706eae13200d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe5cae609db86b7d1ec7fbe257d09d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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