1 . 已知各项都为正数的数列
满足
,
,给出下列三个结论:①若
,则数列
仅有有限项;②若
,则数列
单调递增;③若
,则对任意的
,都存在
,使得
成立.则上述结论中正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adb803e408070ec2d1e1063d619aaf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d70fb41b1fc3b6241b114fa6d7a66f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe82c5d97f1ef217d78164ab7b1e9820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670d11381fb3b8da2ae11a71809a9310.png)
A.①② | B.②③ | C.①③ | D.①②③ |
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2 . 已知数列
满足
,
,若
,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fab51121848ce166035ceab6f4e00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894be9d12a212c57ddec23e3bbe0caf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c38f22801dfda8143d2de93ac4e5c17.png)
A.当![]() ![]() | B.当![]() ![]() |
C.当数列![]() ![]() | D.当数列![]() ![]() |
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解题方法
3 . 已知数列
的各项都是正数且满足
,
是数列
的前
项和,则下列选项中错误的一项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066bc33883fab9db2999bc4d783bd9c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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2020-04-14更新
|
1453次组卷
|
5卷引用:浙江省十校联盟2019-2020学年高三下学期寒假返校考试数学试题
浙江省十校联盟2019-2020学年高三下学期寒假返校考试数学试题(已下线)专题13 数列的性质应用-冲刺2020高考跳出题海之高三数学模拟试题精中选萃(浙江专版)(已下线)第三篇 数列、排列与组合 专题5 迭代数列与极限 微点6 迭代数列与极限综合训练(已下线)新题型02 新高考新结构竞赛题型十五大考点汇总-2(已下线)专题10 数列(难点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)
11-12高三·浙江宁波·阶段练习
4 . 数列{
}中,
=
=1,
=
+
,它的通项公式为
=
,根据上述结论,可以知道不超过实数
的最大整数为____________
![](https://img.xkw.com/dksih/QBM/2011/2/17/1577384037326848/1577384038834176/STEM/66585c33a6e64e0f804871f9b22b7e7c.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2011/2/17/1577384037326848/1577384038834176/STEM/064dd6dd0fa3422986bca5f448df7cae.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2011/2/17/1577384037326848/1577384038834176/STEM/e2d2847b80154e0b92ade6b26cfcf08d.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2011/2/17/1577384037326848/1577384038834176/STEM/5bf6b8ec6328414db30d3310921b091b.png?resizew=32)
![](https://img.xkw.com/dksih/QBM/2011/2/17/1577384037326848/1577384038834176/STEM/89ecb9d17fe74d989499466ae7ed002b.png?resizew=31)
![](https://img.xkw.com/dksih/QBM/2011/2/17/1577384037326848/1577384038834176/STEM/66585c33a6e64e0f804871f9b22b7e7c.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2011/2/17/1577384037326848/1577384038834176/STEM/66585c33a6e64e0f804871f9b22b7e7c.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2011/2/17/1577384037326848/1577384038834176/STEM/877203f529a347899569f61886269bc8.png?resizew=187)
![](https://img.xkw.com/dksih/QBM/2011/2/17/1577384037326848/1577384038834176/STEM/cdc0959f873e403f8bc2c55f6d3bfeb2.png?resizew=95)
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