名校
解题方法
1 . (1)解不等式
.
(2)当
时,不等式
的解集为
,如图,在矩形
中,
,点
为边
上一动点,当
最大时,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d05cc59ead92893905bebeab93101a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d05cc59ead92893905bebeab93101a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a740f719d0d0c757c33cc56ed44608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f4ea9203ad9cd37c444cf1867c8746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://img.xkw.com/dksih/QBM/2020/7/25/2513331460653056/2513761861369856/STEM/3c8003f21f7349ed8bba7e5ea059ff3a.png?resizew=288)
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