设函数f(x)=1/4x^2+1/2x-3/4,对于正整数列{an},其前n项和为Sn,且Sn=f(an),(n∈N*).(1)求数列{an}的设函数f(x)=1/4x^2+1/2x-3/4,对于正整数列{an},其前n项和为Sn,且Sn=f(an),(n∈N*).(1)求数列{an}的通项公式
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![设函数f(x)=1/4x^2+1/2x-3/4,对于正整数列{an},其前n项和为Sn,且Sn=f(an),(n∈N*).(1)求数列{an}的设函数f(x)=1/4x^2+1/2x-3/4,对于正整数列{an},其前n项和为Sn,且Sn=f(an),(n∈N*).(1)求数列{an}的通项公式](/uploads/image/z/4948257-57-7.jpg?t=%E8%AE%BE%E5%87%BD%E6%95%B0f%28x%29%3D1%2F4x%5E2%2B1%2F2x-3%2F4%2C%E5%AF%B9%E4%BA%8E%E6%AD%A3%E6%95%B4%E6%95%B0%E5%88%97%7Ban%7D%2C%E5%85%B6%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BASn%2C%E4%B8%94Sn%3Df%28an%29%2C%28n%E2%88%88N%2A%EF%BC%89.%EF%BC%881%EF%BC%89%E6%B1%82%E6%95%B0%E5%88%97%7Ban%7D%E7%9A%84%E8%AE%BE%E5%87%BD%E6%95%B0f%28x%29%3D1%2F4x%5E2%2B1%2F2x-3%2F4%2C%E5%AF%B9%E4%BA%8E%E6%AD%A3%E6%95%B4%E6%95%B0%E5%88%97%7Ban%7D%2C%E5%85%B6%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BASn%2C%E4%B8%94Sn%3Df%28an%29%2C%28n%E2%88%88N%2A%EF%BC%89.%EF%BC%881%EF%BC%89%E6%B1%82%E6%95%B0%E5%88%97%7Ban%7D%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8F)
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