很明显, n = 2,3, ..... , for each n,a = (1/n)^(1/(n-1)) 和 b = (1/n)^(n/(n-1)) 是不同的。由于 n 可取无限位数 2,3,… ,无须证明infinite。请注意, n 不能是1,因为你不能除零。
leo爸的证明是正确的。您的担心是多余的。
所有跟帖:
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n 是无限的,不一定由它组成的函数是无限的。
-yddad-
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11/02/2011 postreply
12:55:15
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Again, 您的担心是多余的。
-michigan007-
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11/02/2011 postreply
16:26:11
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回复:Again, 您的担心是多余的。
-yddad-
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11/02/2011 postreply
18:29:02
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You were confused
-michigan007-
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11/03/2011 postreply
06:25:20
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我没有说他是是错的只是说不严密
-yddad-
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11/02/2011 postreply
13:27:21
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Where is your logic?
-michigan007-
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11/02/2011 postreply
16:28:30
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we are using different logic.
-yddad-
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11/02/2011 postreply
18:50:02
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Your logic is wrong.
-michigan007-
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11/03/2011 postreply
09:53:05
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Please read the question carefully
-michigan007-
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11/02/2011 postreply
16:48:29
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Yes, I do read carefully.
-yddad-
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11/02/2011 postreply
18:23:58
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You were confused again
-michigan007-
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11/03/2011 postreply
06:23:18