已知
,
.
(1)当
,
时,求A的值;
(2)若
,求
的值;
(3)若
,且k是整数时,求整数x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9981353d060492a1866f8050c7a6a61c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1024aadcfe801742fbe0a2a7862b5dc3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65236592312fc7def2cfbed202a8f887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582905a1e36d3b0846fc785bac2a4370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13c8573cf2fff14ab3c22a56536d8e1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14a563d19f6a4af4eb4f82c8e8bc91e.png)
更新时间:2024-02-20 22:33:45
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