已知多项式
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a19e9a31265c8e28799466b2d8bbc45.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28d33d196af9620ef81d73907fc74bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c8d0474f7d81ef8dbefaacfd5afe7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb82c7fc6f89a9a265608247b39f4f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a19e9a31265c8e28799466b2d8bbc45.png)
更新时间:2020-04-20 17:35:04
|
相似题推荐
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐2】若
,则
的展开式中含
项的系数为_________ .(用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0744599da44e9d1b4d21eeb8dff1f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250c63451843d520f22a181218371990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af9764aa29ce1378f9c6f6c3ceea928.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
真题
解题方法
【推荐1】若
的展开式中常数项为
,则自然数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db35987b9e46c1dc874e5f3a5703786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ef63ad7b61f3fae0ac81148e7700ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】已知关于x的二项式
的展开式的二项式系数之和为32,常数项为80,则a的值为 ______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/416b3f5e4831b6a67dbcb58ba2b51b22.png)
您最近一年使用:0次