已知数列an满足,a1=1,an>0且a(n+1)×更号下(4+1/an^2)=1(n∈N+)①求数列an的通项公式②数列bn的前n项和Sn满足S(n+1)/an^2=Sn/a(n+1)^2+16n^2-8n-3,若数列bn是等差数列,求b1③在②的条件下,设cn=
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![已知数列an满足,a1=1,an>0且a(n+1)×更号下(4+1/an^2)=1(n∈N+)①求数列an的通项公式②数列bn的前n项和Sn满足S(n+1)/an^2=Sn/a(n+1)^2+16n^2-8n-3,若数列bn是等差数列,求b1③在②的条件下,设cn=](/uploads/image/z/7043431-31-1.jpg?t=%E5%B7%B2%E7%9F%A5%E6%95%B0%E5%88%97an%E6%BB%A1%E8%B6%B3%2Ca1%3D1%2Can%EF%BC%9E0%E4%B8%94a%EF%BC%88n%2B1%EF%BC%89%C3%97%E6%9B%B4%E5%8F%B7%E4%B8%8B%EF%BC%884%2B1%2Fan%5E2%EF%BC%89%3D1%EF%BC%88n%E2%88%88N%2B%EF%BC%89%E2%91%A0%E6%B1%82%E6%95%B0%E5%88%97an%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8F%E2%91%A1%E6%95%B0%E5%88%97bn%E7%9A%84%E5%89%8Dn%E9%A1%B9%E5%92%8CSn%E6%BB%A1%E8%B6%B3S%EF%BC%88n%2B1%EF%BC%89%2Fan%5E2%3DSn%2Fa%EF%BC%88n%2B1%EF%BC%89%5E2%2B16n%5E2-8n-3%2C%E8%8B%A5%E6%95%B0%E5%88%97bn%E6%98%AF%E7%AD%89%E5%B7%AE%E6%95%B0%E5%88%97%2C%E6%B1%82b1%E2%91%A2%E5%9C%A8%E2%91%A1%E7%9A%84%E6%9D%A1%E4%BB%B6%E4%B8%8B%2C%E8%AE%BEcn%3D)
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