1 . 解关于
,
的方程或方程组:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf6f71e816aeec0cd8fa4c6607b7dd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0000cc9d5048df0667dc7714077b69cb.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3092a7fa35b2f4f739502e4996af2e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b33b049747e0aee1d481df8a7fb93f1.png)
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2 . 如图是函数
(
,
,
)的部分图象,
,
是它与
轴的两个交点,
是
,
之间的最高点,点
满足
.
![](https://img.xkw.com/dksih/QBM/2021/6/20/2746994303287296/2749724631482368/STEM/4be85341-3190-45b9-a14a-423ae320a378.png?resizew=245)
(1)求
的解析式;
(2)关于
的方程
在
上有两个不同的解
,
.
①求实数
的取值范围;
②求
和
(结果化为常数或含
的表达式)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5e2a383cb47eb87493e86c8c40caf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93778ac16acb542c259b9c4c49b410b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0249f488a9f26d681964dcb4732fae75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1050d644534ce3a58f53c4de23834aa.png)
![](https://img.xkw.com/dksih/QBM/2021/6/20/2746994303287296/2749724631482368/STEM/4be85341-3190-45b9-a14a-423ae320a378.png?resizew=245)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb3a4a1f82bf1c2152116bca9150fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3928aeb4c47b47e63dd47f71077605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e058eeb9cea0d93756125087c6655325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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