设函数
(a、b为实常数).已知不等式
对任意的实数x均成立,定义数列
和
为:
,
,
,数列
的前n项的和记为
,其前n项的乘积记为
.证明:
(1)
,且
;
(2)对任意的正整数n,
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80027540415bd2b98c9be19e21b5f8d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f48aa05da897001b1441df2cd394ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421111d35dfd84912601cd15d4cdb614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3309774e41aa1d486d05861ef9438f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4a7a8909947604f0a3e850004b4138.png)
(2)对任意的正整数n,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad23429bdf441f532cfbf8c2948ba75a.png)
2008高三·吉林·竞赛 查看更多[1]
(已下线)2008年全国高中数学联赛吉林赛区预赛试题
更新时间:2018-12-22 14:41:02
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解答题-证明题
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【推荐2】
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解答题-问答题
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【推荐1】若
是一个由数字1,2,3,4,5,6,7,8,9组成的
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(1)数字1,2,…,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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