1 . 在①
,②
,③
这三个条件中选一个合适的条件,补充在下面问题中,并解答.问题:若
满足
,且_________,求出下列各式的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b402181e8e0ec843d3d7f441e35bd28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cdd6f27334444c1884876b9e4cfe6f.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f40c24c64bbb0645fcf585f4e66872.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7e707a724d2b1a7e6c0e21aae57e5d.png)
您最近一年使用:0次
2023-03-23更新
|
161次组卷
|
2卷引用:辽宁省营口市2022-2023学年高一上学期期末教学质量监测数学试题
2 . 已知关于
的方程
的两实根平方和为13,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15229fb7d0ac4eb4a7a4f9fd15e3df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
您最近一年使用:0次