解题方法
1 . 在平面直角坐标系中,已知点
.
(1)若
,求
的值;
(2)若
,设实数
满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e29c109401a76d4ef415c9ad6606987.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd57d30c6f2d00c18e09e19e8827a8e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b606ffa602a664ef26039c00630b56d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2022-05-24更新
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3卷引用:重庆市合川区2020-2021学年高一下学期3月月考数学试题