若
,
是方程
的两根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4525bec185308c4de673b1f1b653352e.png)
_______ .
![](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/c99a7d4f9f08de631b1e1bf004ce55a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4525bec185308c4de673b1f1b653352e.png)
更新时间:2019-04-30 07:11:55
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