己知数列A(n+1)=1/3A(n)+2n+5/3 n为正整数求A(n)关于n的通项公式注:()里的字母为下脚标.要写明方
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![己知数列A(n+1)=1/3A(n)+2n+5/3 n为正整数求A(n)关于n的通项公式注:()里的字母为下脚标.要写明方](/uploads/image/z/13953921-33-1.jpg?t=%E5%B7%B1%E7%9F%A5%E6%95%B0%E5%88%97A%28n%2B1%29%3D1%2F3A%28n%29%2B2n%2B5%2F3+n%E4%B8%BA%E6%AD%A3%E6%95%B4%E6%95%B0%E6%B1%82A%28n%29%E5%85%B3%E4%BA%8En%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8F%E6%B3%A8%EF%BC%9A%28%29%E9%87%8C%E7%9A%84%E5%AD%97%E6%AF%8D%E4%B8%BA%E4%B8%8B%E8%84%9A%E6%A0%87.%E8%A6%81%E5%86%99%E6%98%8E%E6%96%B9)
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