已知是递增的等差数列,满足a2a4=3,a1+a5=4,(1)求数列an的通项公式和前N项和公式(2)设数列{bn}均有b1/3+b2/3^2+b3/3^3+.+bn/3^n=an+1(不是a乘n+1,n+1是底数)成立.求数列{bn}的通项公式
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![已知是递增的等差数列,满足a2a4=3,a1+a5=4,(1)求数列an的通项公式和前N项和公式(2)设数列{bn}均有b1/3+b2/3^2+b3/3^3+.+bn/3^n=an+1(不是a乘n+1,n+1是底数)成立.求数列{bn}的通项公式](/uploads/image/z/1782821-29-1.jpg?t=%E5%B7%B2%E7%9F%A5%E6%98%AF%E9%80%92%E5%A2%9E%E7%9A%84%E7%AD%89%E5%B7%AE%E6%95%B0%E5%88%97%2C%E6%BB%A1%E8%B6%B3a2a4%3D3%2Ca1%2Ba5%3D4%2C%EF%BC%881%EF%BC%89%E6%B1%82%E6%95%B0%E5%88%97an%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8F%E5%92%8C%E5%89%8DN%E9%A1%B9%E5%92%8C%E5%85%AC%E5%BC%8F%EF%BC%882%EF%BC%89%E8%AE%BE%E6%95%B0%E5%88%97%7Bbn%7D%E5%9D%87%E6%9C%89b1%2F3%2Bb2%2F3%5E2%2Bb3%2F3%5E3%2B.%2Bbn%2F3%5En%3Dan%2B1%28%E4%B8%8D%E6%98%AFa%E4%B9%98n%2B1%2Cn%2B1%E6%98%AF%E5%BA%95%E6%95%B0%29%E6%88%90%E7%AB%8B.%E6%B1%82%E6%95%B0%E5%88%97%7Bbn%7D%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8F)
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