主要内容

积分学

课程: 积分学 > 单元 5

课程 13: 幂级数介绍

收敛区间

收敛区间

sum, start subscript, n, equals, 1, end subscript, start superscript, infinity, end superscript, start fraction, 3, left parenthesis, x, plus, 1, right parenthesis, start superscript, n, end superscript, divided by, n, dot, 4, start superscript, n, end superscript, end fraction

收敛区间是什么?

(选择 A)
minus, 4, is less than or equal to, x, is less than, 2
(选择 B)
minus, 5, is less than or equal to, x, is less than or equal to, 3
(选择 C)
minus, 4, is less than or equal to, x, is less than or equal to, 2
(选择 D)
minus, 5, is less than or equal to, x, is less than, 3

不会做了？

积分学

课程: 积分学 > 单元 5

问题