一道关于数列有界性的题目记数列an前n项的积为πn = a1a2 … an,设Tn =π1π2 …πn.若数列an=2007(1/2)^(n-1),n为正整数,则使Tn最大的n的值为
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![一道关于数列有界性的题目记数列an前n项的积为πn = a1a2 … an,设Tn =π1π2 …πn.若数列an=2007(1/2)^(n-1),n为正整数,则使Tn最大的n的值为](/uploads/image/z/1159759-55-9.jpg?t=%E4%B8%80%E9%81%93%E5%85%B3%E4%BA%8E%E6%95%B0%E5%88%97%E6%9C%89%E7%95%8C%E6%80%A7%E7%9A%84%E9%A2%98%E7%9B%AE%E8%AE%B0%E6%95%B0%E5%88%97an%E5%89%8Dn%E9%A1%B9%E7%9A%84%E7%A7%AF%E4%B8%BA%CF%80n+%3D+a1a2+%E2%80%A6+an%2C%E8%AE%BETn+%3D%CF%801%CF%802+%E2%80%A6%CF%80n.%E8%8B%A5%E6%95%B0%E5%88%97an%3D2007%EF%BC%881%2F2%EF%BC%89%5E%28n-1%29%2Cn%E4%B8%BA%E6%AD%A3%E6%95%B4%E6%95%B0%2C%E5%88%99%E4%BD%BFTn%E6%9C%80%E5%A4%A7%E7%9A%84n%E7%9A%84%E5%80%BC%E4%B8%BA)
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