1 . 平面向量
与
的夹角为60°,若|
|=2,|
|=1,则|
-2
|=____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
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解题方法
2 . 已知函数
,若
,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9675e43741ef6b6c03bbda33bde113ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fbbece3f356c7b1fa051c3e9f7f88a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
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2018-11-20更新
|
1390次组卷
|
3卷引用:【市级联考】四川省攀枝花市2019届高三第一次统一考试理科数学试题
解题方法
3 . 已知函数
,若
,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9675e43741ef6b6c03bbda33bde113ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a284217a6794c53e42ec53bc7c68532e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
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4 . 曲线
在点
处的切线与直线
垂直,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a3e6c43bccbd0d6f2d539891fd7cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512f4c29ff276b7f35052ad4cc255ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2018-11-19更新
|
2080次组卷
|
8卷引用:【市级联考】四川省攀枝花市2019届高三第一次统一考试文科数学试题
【市级联考】四川省攀枝花市2019届高三第一次统一考试文科数学试题【市级联考】四川省攀枝花市2019届高三第一次统一考试理科数学试题【市级联考】四川省攀枝花市2019届高三第一次统考理数试题【全国百强校】四川省棠湖中学2019届高三上学期第三次月考数学(文)试题【全国百强校】四川省棠湖中学2019届高三上学期第三次月考数学(理)试题江西省南康中学2019届高三上学期第五次月考数学(文)试题(已下线)2019年8月11日《每日一题》2020年高考一轮复习(理科)—— 每周一测(已下线)2019年8月11日 《每日一题》2020年高考一轮复习(文科)—— 每周一测
解题方法
5 . 若幂函数
在
上为增函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ec4dd350ebe611fbbcfc01b9b73183.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ce647e551b357c2a66b281a6cd8f1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ec4dd350ebe611fbbcfc01b9b73183.png)
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2018-11-19更新
|
743次组卷
|
4卷引用:【市级联考】四川省攀枝花市2019届高三第一次统一考试文科数学试题
【市级联考】四川省攀枝花市2019届高三第一次统一考试文科数学试题辽宁省营口市大石桥市第三高级中学2020-2021学年高一上学期12月月考数学试题辽宁省铁岭市调兵山市第二高级中学2021-2022学年高一上学期期末数学试题(已下线)期末精确押题之填空题(40题)-《考点·题型·难点》期末高效复习
名校
6 . 平面向量
的夹角为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1c7a86e7df9c0b524a400cc1f58a2a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d194ecefc9101001d88d3cc0bc9d6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733e49005484c926f93198e2c677bc08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1c7a86e7df9c0b524a400cc1f58a2a.png)
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2018-11-19更新
|
767次组卷
|
6卷引用:【市级联考】四川省攀枝花市2019届高三第一次统一考试文科数学试题
名校
7 . 平面向量
的夹角为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d25685ec1be1763db21b79850101b32a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fa2fcefaf3d8868da0cb52877c5247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321e40220bd78fa36094d9be7362df1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d25685ec1be1763db21b79850101b32a.png)
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2018-06-15更新
|
747次组卷
|
2卷引用:【市级联考】四川省攀枝花市2019届高三第一次统一考试理科数学试题
8 . 设变量
满足约束条件
则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c084ebedebcd7574dcc18ad0854666c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75407f5349719aba26f58213459793eb.png)
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2018-05-20更新
|
371次组卷
|
4卷引用:四川省攀枝花市2021届高三二模考试数学(文)试题
9 . 记
若
是等差数列,则称
为数列
的“
等差均值”;若
是等比数列,则称
为数列
的“
等比均值”.已知数列
的“
等差均值”为2,数列
的“
等比均值”为3.记
数列
的前
项和为
若对任意的正整数
都有
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80f2ead6d7ea4ec445218133a33d200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e260b088f071983f254ce8f5163fcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e260b088f071983f254ce8f5163fcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627a57cd9fdb1f586f35d9825b6bcc0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ddcb15eb419ed659536e1385b09af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a788386a548bd699196e4c15faba2f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ce63c6e8f836093978981aa401649d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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10 . 已知
为抛物线
的焦点,过
作倾斜角为
的直线
与抛物线
交于
两点,过
向
的准线作垂线,垂足分别为
,设
的中点为
,则
=__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8667b82a4ad0e8cd00c3b85be6eeb7bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a0eb6045369a13358f2d5999f7bc3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f57bf36e92fae170161eca953aa767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f57bf36e92fae170161eca953aa767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e734b42bacd72892f44f31c61f14a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112ab1b921b76140ed6f8e18d4ceb04.png)
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