作者kgbtdaguo (daguo)
看板Math
標題[微積] 高微裡一題
時間Sat Jul 16 22:22:22 2011
show that the sequence Xn=e^sin(5n) has a caonvergent subsequence
因為討論subsequence
所以我一開始的想法是用科西下手去做
但身為高微新手真的有些拿下手..
請板友給些意見方向謝謝
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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!謝謝! 07/16 23:33