2014·天津·一模
1 . 已知
、
、
是△
的三内角,向量
,且
,
,求
.
![](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/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea96918009f12044b759878504c5bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca14091766283eb78496b1e4174124a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665ed42af06724791c281e269e1e8a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402f1010e94be78552ed4c45548b1b8.png)
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14-15高二上·山东威海·期末
解题方法
2 . 已知函数
.
(1)解关于
的不等式
;
(2)若
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a43a58812f5722c0aac17f2bafc561.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f55b0124d55fc34639cb17d773e342.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a745e17c72b521bbaf3de2a703853615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e014c897944a8688e6a008f188947576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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14-15高二上·山东威海·期末
名校
解题方法
3 . 求以椭圆
的焦点为焦点,且过
点的双曲线的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0251076dce1502b806598b1067740fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b6ceb26f89fd33954c0e75fb7f38c0.png)
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13-14高二上·山东威海·期末
4 . 已知椭圆中心在原点,焦点在x轴上,离心率
,过椭圆的右焦点且垂直于长轴的弦长为![](https://img.xkw.com/dksih/QBM/2013/3/18/1571146844004352/1571146849820672/STEM/0ba977528af94efcb3fa44b843b24622.png?resizew=28)
(Ⅰ)求椭圆的标准方程;
(Ⅱ)已知直线
与椭圆相交于
两点,且坐标原点
到直线
的距离为
,
的大小是否为定值?若是求出该定值,不是说明理由.
![](https://img.xkw.com/dksih/QBM/2013/3/18/1571146844004352/1571146849820672/STEM/9464a335bdc747b5b65c6b276de35dfb.png?resizew=52)
![](https://img.xkw.com/dksih/QBM/2013/3/18/1571146844004352/1571146849820672/STEM/0ba977528af94efcb3fa44b843b24622.png?resizew=28)
(Ⅰ)求椭圆的标准方程;
(Ⅱ)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
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13-14高二上·山东威海·期末
名校
5 . 抛物线
的焦点与双曲线
的右焦点重合.
(Ⅰ)求抛物线的方程;
(Ⅱ)求抛物线的准线与双曲线的渐近线围成的三角形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a218602e8e3a52f74f760059aa7014.png)
(Ⅰ)求抛物线的方程;
(Ⅱ)求抛物线的准线与双曲线的渐近线围成的三角形的面积.
您最近一年使用:0次
2012·山东威海·一模
6 . 设
是单调递增的等差数列,
为其前
项和,且满足
,
是
,
的等比中项.
(1)求数列
的通项公式;
(2)是否存在
,
,使
?说明理由;
(3)若数列
满足
,
,求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483b4109896876db2a405aaacfa6f870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b3175ab6772cd611f9c42771a9467d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca7e7b23fd74e3cf89ac541cb7a5d88.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf5776ec7059c208daf01ca48a34915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b234809e824996bbad8587f6ff7d4e.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcba622ae8d5e614f5f59982ce9b9b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9b4f764dcedeee11023817f5880b60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
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7 . 直线
与
轴,
轴分别相交于
两点,以
为边做等边△
,若平面内有一点
使得△
与△
的面积相等,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1dd81b78c56a88b10791775d5b8c8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a60cd9ef2670c0022dc59756ee214dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f9da0507a3ba13bb9e51bbb503d98d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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12-13高二上·山东威海·期末
8 . 已知双曲线的一条渐近线为
,且与椭圆
有相同的焦距,求双曲线的标准方程
![](https://img.xkw.com/dksih/QBM/2012/2/14/1570737764032512/1570737769324544/STEM/5842bb94638048c1bc7166d35229e6e1.png)
![](https://img.xkw.com/dksih/QBM/2012/2/14/1570737764032512/1570737769324544/STEM/ed56145c0121422f8bd5a49913ee0884.png)
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12-13高二上·山东威海·期末
9 . 锐角
中,内角
的对边分别是
,且
,
,
的面积等于
,求边长
和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2333da32638ec636fa1e69e750ca4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f01515561e687dd66feb3baa5d14c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c77f11a6e47d67432583bbd3090c82.png)
![](https://img.xkw.com/dksih/QBM/2012/2/14/1570737764032512/1570737769283584/STEM/d19a841d1fee452fbaba7220a1b20aff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0970d06b874753cb3a762bc543ec98c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2333da32638ec636fa1e69e750ca4a.png)
![](https://img.xkw.com/dksih/QBM/2012/2/14/1570737764032512/1570737769283584/STEM/b42104039b6047dc8096a1550ceb8c8d.png)
![](https://img.xkw.com/dksih/QBM/2012/2/14/1570737764032512/1570737769283584/STEM/c4f2421848c24b79a9f3e418acc4fc64.png)
![](https://img.xkw.com/dksih/QBM/2012/2/14/1570737764032512/1570737769283584/STEM/f706d4f3451d43cca5292047eb137acf.png)
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13-14高一上·山东威海·期末
名校
10 . 已知全集
,
,
.
(Ⅰ)求
;
(Ⅱ)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfdb9835fdf2088a9719f6edec402d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0892f82c34a86f16fd288c6bfa8606.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238c94b148fa077120134491ac6100ac.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e501badab25384785a21d7ee50acd8b4.png)
您最近一年使用:0次
2016-05-04更新
|
542次组卷
|
7卷引用:2012-2013学年山东省威海市高一上学期期末考试数学试卷