名校
1 . 已知命题
,命题
,若
是
的必要不充分条件,则实数
的取值范围是___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb581e5b0cd25e7a0a38195689c15544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e044c9c4761521363da0cfcc112d5cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://img.xkw.com/dksih/QBM/2016/12/2/1573196334628864/1573196340609024/STEM/aaeca33a91ea45998b4d729c0143f8f1.png?resizew=14)
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2016-12-05更新
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7卷引用:2017届江苏南通中学高三上期中数学(理)试卷
名校
2 . 矩阵
的逆矩阵为
,矩阵
满足
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38567fbcae323e0fddd64bb31de8c74d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77cbee73f5ac1fece07fd6afd1661b7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2016-12-05更新
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2卷引用:2017届江苏南通中学高三上期中数学(理)试卷
解题方法
3 . 函数
的定义域为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0442286541efeccca9e47131f22d048.png)
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4 . 如图,点
为△
的重心,且
,
,则
的值为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d9a7b881dd04ffc14380053ae94f259.png)
![](https://img.xkw.com/dksih/QBM/2016/12/2/1573196334628864/1573196340715520/STEM/ce4270606fec465e82859a6c677f956b.png?resizew=149)
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名校
5 . 设公差不为零的等差数列
的前
项和为
,且
成等比数列.
(1)求数列
的通项公式;
(2)设
,数列
的前
项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92128c6c226ce688bc160fb86854f2fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192a47ab17ed5c588efc6d161889820c.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b061d3478c4ca323959ab233e20fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1f5d407c0e99344ed5f0f5926c5d22.png)
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2016-12-05更新
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1148次组卷
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6卷引用:2017届江苏南通中学高三上期中数学(理)试卷
2017届江苏南通中学高三上期中数学(理)试卷河南省林州市第一中学2018届高三12月调研考试数学(文)试题(已下线)2017-2018学年第一学期期末复习备考之精准复习模拟题高三年级(文)人教版数学试题(B卷)江西省宜春市第九中学2018-2019学年高二下学期期中考试数学(文)试题福建省尤溪县2018-2019学年普通高中高三上学期半期数学(理)试题山东省济南市外国语学校2020-2021学年高二下学期5月月考数学试题
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6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422e1a840a1c422b27eb4af9887e84b2.png)
.
(1)当
时,求函数
在点
处的切线方程;
(2)求函数
的单调区间;
(3)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f135deb1c75214cfdf973739186cb75.png)
在
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422e1a840a1c422b27eb4af9887e84b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6369ea989d998028ed1474f6645ec9a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150e8e4ca6aa729a72a6a17c36b8ebfe.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f135deb1c75214cfdf973739186cb75.png)
![](https://img.xkw.com/dksih/QBM/2016/12/2/1573196334628864/1573196340961280/STEM/9caf7d4dbb4d467ebf8f55fb9fbf51c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/130ab7a635323d182a0da76e9fe25aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4卷引用:2017届江苏南通中学高三上期中数学(理)试卷
2017届江苏南通中学高三上期中数学(理)试卷(已下线)《2018届优等生百日闯关系列》【江苏版】专题二 第四关 以极值为背景的解答题海南省华侨中学2019-2020学年高二(6月)第二次阶段性考试数学试题四川省绵阳中学2021-2022学年高三上学期第二次模拟检测理科数学试题
7 . 已知向量
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1189e125ee605f9d2531ff8f4779f83.png)
,记函数
.若函数
的周期为4,且经过点
.
(1)求
的值;
(2)当
时,求函数
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9162220de12449fa18d023843843e5c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1189e125ee605f9d2531ff8f4779f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5c4432bf03532365ee3f44dd47eb61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f99c1e1cd8a1e799a278aee7c86ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550dee2b8e6a03b564e4d4bb1731b923.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8542e50495795c98f7aa7501fe0690a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494a24b08f7efc057b1e7ea4a2376fbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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8 . 在平面直角坐标系xOy中,已知曲线C:
(q为参数,q∈R),直线l:
(t为参数,t∈R),求曲线C上的动点P到直线l的距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073cdceda9f7fefc35db544f89359686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a9f5e55fd1abde4a31293973314f10.png)
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解题方法
9 . 若角α的终边经过点P(a,2a)(a<0),则cos α=___ .
您最近一年使用:0次
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解题方法
10 . 如图,在正方形
中,点
是
的中点,点
是
的一个三等分点,那么
=___ .(用
和
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b5a51e65e9b56a9970de33ead263a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd98a891fa65f2fc6688001b03185d0.png)
![](https://img.xkw.com/dksih/QBM/2016/12/2/1573196334628864/1573196340584448/STEM/79f258a7a4db40c885cce0ff9aa69366.png?resizew=129)
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2016-12-05更新
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438次组卷
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2卷引用:2017届江苏南通中学高三上期中数学(理)试卷