名校
解题方法
1 . 在
中,角
,
,
所对的边分别为
,
,
,已知
.
(1)求证:
为定值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7ff1a6e9de32a429b55e95a7c5ccc3.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448d30c84529f004ea1efe7ba7c813c6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5023d64c35be852d4605ebab4c34706e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721e29b775e696045f44a4b1e7f74ef2.png)
您最近一年使用:0次
2020-10-12更新
|
194次组卷
|
2卷引用:江苏省泰州市姜堰中学2021-2022学年高二上学期暑期检测数学试题
名校
2 . 已知函数
,
.
(1)求
的值;
(2)若函数
,请判断函数
的奇偶性并证明;
(3)若
,
恒成立,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87341c9858a118938173f4f1af28b290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae297982c2fc53ec1be408c266063dd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9258c5e8ef035726391019e77f386c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f66105d355705bd2ea8ce5264f8439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304ae19859127998c3bc262d7b2b70e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b96ceb5fda6c9a4f4be728761c5498.png)
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名校
解题方法
3 . 在平面直角坐标系
中,已知点
、
,其中
.
(1)若
,求证:
.
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a170cf0d6008aea8c85c79cea7f07e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926778fe15991308849cdba1822595a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d5649a04072a512d52526fb4ef688a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef5f0175b91b423651a04c3999f38d21.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67cd9cb14ad3842eb1f5a67f88f9985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d3ea1e66acba9b06c4b614cfcbb2f1.png)
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2020-08-10更新
|
231次组卷
|
2卷引用:江苏省泰州市第二中学2020届高三下学期5月学情调研数学试题
4 . 已知函数
,
,(
为实数).
(1)若对任意实数
,都有
成立,求实数
的值;
(2)者对任意实数
,都有
成立,求实数
的值;
(3)已知
且
,求证:关于
的方程
在区间
上有实数解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba85cd64b03a571816a2c9beab7f6314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acb74208dcbe73fd8cbd89bf86bd69c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)者对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61eee5f10745f09a212637ff83419457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27822887caad20f3a075ca2fb74155c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9befdbbaa1763fc994a54006cfd804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f803a468e5d66004e57372a5bf2c5e1b.png)
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名校
5 . 定义
,设
,其中
,
均为正实数,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6417526489efc14858993d815ad8f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075c40f2f66e3197ce228d4a7836c7c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a427324efe2bd778f2664bff1e24c75c.png)
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名校
6 . 已知函数
,且
.
(1)求
的值;
(2)判断函数
的奇偶性并证明;
(3)判断
在
上的单调性并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cd3e57465c5cc93f068c94c2b8f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
您最近一年使用:0次
2019-10-26更新
|
477次组卷
|
2卷引用:江苏省泰州市泰州中学2019-2020学年高一上学期第二次检测数学试题
名校
解题方法
7 . 设函数
为奇函数,
为常数.
(1)求
的值,并指出函数
在
上的单调性(无需证明);
(2)若在区间
上存在
使得不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e418df4c1eaad851582a9bc3f16b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
(2)若在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44284ff1ea50429a0610e13363be6080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac23e39243d634684a2b7ed56c78409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-03-04更新
|
264次组卷
|
3卷引用:江苏省泰州市姜堰中学2020-2021学年高三上学期期初数学试题
名校
解题方法
8 . 已知函数
,若函数
是定义域
上的奇函数,且
.
(1)求
的值;
(2)判断函数
在
上的单调性,并用定义进行证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd4c013d095345a2e1700328c6fdee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/862df674d5668eb2c8d67c889866463f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
您最近一年使用:0次
2020-02-28更新
|
322次组卷
|
4卷引用:江苏省泰州市泰兴市第三高级中学虹桥校区2020-2021学年高一上学期期中数学试题
名校
9 . 已知函数
.
(Ⅰ)证明:当
变化,函数
的图象恒经过定点;
(Ⅱ)当
时,设
,且
,求
(用
表示);
(Ⅲ)在(Ⅱ)的条件下,是否存在正整数
,使得不等式
在区间
上有解,若存在,求出
的最大值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00981f1c2aa457e61fcc47ea4d189764.png)
(Ⅰ)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825793ebd4bb376a09621f163ac990a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9998f27aca8e31ba479b96858b509c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e05883ca3ade551877c6e9494b809f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892c0749e795ee8069da2f543d26475e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(Ⅲ)在(Ⅱ)的条件下,是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890f3e6166ce49230950c5acabfc96ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0530e48690edc3429da2d23c25151296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2019-10-14更新
|
1183次组卷
|
6卷引用:江苏省泰州市靖江市斜桥中学与刘国钧中学2020-2021学年高一上学期联考数学试题
10 . 设
,在集合
的所有元素个数为2的子集中,把每个子集的较大元素相加和记为a,较小元素之和记为b.
(1)当n=3时,求a, b的值;
(2)当n=4时,求集合
的所有3个元素子集
中所有元素之和
;
(3)对任意的
,
是否为定值?若是定值,请给出证明并求出这个定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b15ad8d30b889db95cbfd75368e23a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0382b69ee4140184dbb047743cbe29.png)
(1)当n=3时,求a, b的值;
(2)当n=4时,求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c973dcb8d8b60378780b7f42ba1d9d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(3)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82b4d8b2a895d91fc730d58f9b55ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
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