若
,则
的展开式中
的系数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a41a3240c3baca8de91e81545270637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b168620c2a74d2c3ac5ccec5a2c4c68a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0c0b00e5193d7b3b55af9c6023f19b.png)
更新时间:2019-06-11 11:41:35
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【推荐1】已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b094030c0032f32f62f559f27b8cbd.png)
____ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73dfac3bcda182830dd8f50ea115fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b094030c0032f32f62f559f27b8cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
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(0.65)
【推荐2】在二项式
展开式中,常数项为________ ;在
的展开式中,常数项为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa9290c40ec012dd28bb075717a51011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7d61381116cab8997607c6b81b7241.png)
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