(15 19:50:34)数列{an}为等差数列,an为正整数,其前n项和为Sn,数列{bn}为等比数列,且a1=3,b1=1,数列{ban}是公比为64的等比数列,b2S2=64,求an,bn
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![(15 19:50:34)数列{an}为等差数列,an为正整数,其前n项和为Sn,数列{bn}为等比数列,且a1=3,b1=1,数列{ban}是公比为64的等比数列,b2S2=64,求an,bn](/uploads/image/z/119887-7-7.jpg?t=%2815+19%3A50%3A34%29%E6%95%B0%E5%88%97%7Ban%7D%E4%B8%BA%E7%AD%89%E5%B7%AE%E6%95%B0%E5%88%97%2Can%E4%B8%BA%E6%AD%A3%E6%95%B4%E6%95%B0%2C%E5%85%B6%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BASn%2C%E6%95%B0%E5%88%97%7Bbn%7D%E4%B8%BA%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%2C%E4%B8%94a1%3D3%2Cb1%3D1%2C%E6%95%B0%E5%88%97%7Bban%7D%E6%98%AF%E5%85%AC%E6%AF%94%E4%B8%BA64%E7%9A%84%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%2Cb2S2%3D64%2C%E6%B1%82an%2Cbn)
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