(1)求[图]的展开式中x4的系数:(2)求[图]的展开式中的...

(1)求<img src='https://img2.soutiyun.com/shangxueba/ask/17817001-17820000/17817466/2016030217251173598.jpg' />的展开式中x<sup>4</sup>的系数: (2)求<img src='https://img2.soutiyun.com/shangxueba/ask/17817001-17820000/17817466/2016030217251291523.jpg' />的展开式中的常数项: (3)求<img src='https://img2.soutiyun.com/shangxueba/ask/17817001-17820000/17817466/2016030217251492432.jpg' />的展开式中x<sup>3</sup>的系数。

时间:2024-03-01 13:40:02

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