(1)已知
,求
的值;
(2)已知
(
),求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b85a49fb60208873690efa86e2db142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a21f90aeb69c6d5ba648ae57abd797d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a85ad0913f67838120a1bbc7832e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612fd36aeb83099c4644c076db691612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db589bebb2f413b51ab7d684f7eb990.png)
更新时间:2020-12-31 21:59:43
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【推荐1】已知
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(Ⅱ)
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(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeae4e4940d654f083f1073ba872504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20174658e2517b7ddb65405f07fcaa26.png)
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【推荐2】已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
(2)求
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