已知数列{an}的前n项和为sn,点(n,Sn)在函数y=x^2的图像上,数列{bn}满足bn=6bn-1+2^(n+1)(n≥2),且b1=a1+3 (1)证明{bn/2^n+1}是等比数列,求{bn}通项(2)设数列{Cn}满足对任意的n∈N+)均有an+1=c1/(b1+2)+c2/(b2
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![已知数列{an}的前n项和为sn,点(n,Sn)在函数y=x^2的图像上,数列{bn}满足bn=6bn-1+2^(n+1)(n≥2),且b1=a1+3 (1)证明{bn/2^n+1}是等比数列,求{bn}通项(2)设数列{Cn}满足对任意的n∈N+)均有an+1=c1/(b1+2)+c2/(b2](/uploads/image/z/3929256-0-6.jpg?t=%E5%B7%B2%E7%9F%A5%E6%95%B0%E5%88%97%7Ban%7D%E7%9A%84%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BAsn%2C%E7%82%B9%28n%2CSn%29%E5%9C%A8%E5%87%BD%E6%95%B0y%3Dx%5E2%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8A%2C%E6%95%B0%E5%88%97%7Bbn%7D%E6%BB%A1%E8%B6%B3bn%3D6bn-1%2B2%5E%28n%2B1%29%28n%E2%89%A52%EF%BC%89%2C%E4%B8%94b1%3Da1%2B3+%281%29%E8%AF%81%E6%98%8E%7Bbn%2F2%5En%2B1%7D%E6%98%AF%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%2C%E6%B1%82%7Bbn%7D%E9%80%9A%E9%A1%B9%EF%BC%882%EF%BC%89%E8%AE%BE%E6%95%B0%E5%88%97%7BCn%7D%E6%BB%A1%E8%B6%B3%E5%AF%B9%E4%BB%BB%E6%84%8F%E7%9A%84n%E2%88%88N%2B%EF%BC%89%E5%9D%87%E6%9C%89an%2B1%3Dc1%2F%28b1%2B2%EF%BC%89%2Bc2%2F%EF%BC%88b2)
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