作者kgbtdaguo (daguo)
看板Math
标题[微积] 高微里一题
时间Sat Jul 16 22:22:22 2011
show that the sequence Xn=e^sin(5n) has a caonvergent subsequence
因为讨论subsequence
所以我一开始的想法是用科西下手去做
但身为高微新手真的有些拿下手..
请板友给些意见方向谢谢
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◆ From: 111.80.4.12
1F：推 znmkhxrw :1/e < Xn < e , bounded →by Bolzano-Weierstrass 07/16 22:33
2F：→ znmkhxrw :has a conv. subsequence 07/16 22:33
3F：→ kgbtdaguo :ok! 了解!谢谢! 07/16 23:33