作者JohnMash (Paul)
看板Math
标题Re: [级数] 级数的上界
时间Thu Jun 2 07:27:41 2011
※ 引述《handsboy (够够抛儿瑞久)》之铭言：
: Are the following sequences Z_1,Z_2,... bounded? Convergent? Find their
: limit points.
: Z_n = (3+4i)^n / n!
|Z_n| = 5^n / n!
|Z_n|→0 as n→∞
Hence,
Z_n→0 as n→∞
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 112.104.97.155
1F：→ handsboy :可是答案是bounded,convergent to 0 @@ 06/03 00:21
2F：→ handsboy :不是还是感谢您 06/03 00:21