(1)已知正数
,
满足
,求证:
;
(2)求证:
,
,
不可能是一个等差数列中的三项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28931aa499d32c503bd5890e3c0e7907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16237160b44f2be61b244314ea663fe1.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
更新时间:2017-08-12 17:24:09
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【推荐1】(1)已知
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【推荐2】解答下列各题.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b398e30b66e74b63086e9b3531090c.png)
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