设
或
,
求:(1)
;
(2)
,
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7866023e28dbbd9b4ea128bdddbc3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890d6dafa253b76e17c37f607ad29a53.png)
求:(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7026b721caf58b61b1daac10d7db2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7f860e8f0503c476eaf0bd73a71810.png)
更新时间:2021-10-27 21:40:29
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