已知数列an的首项a1=1且点(an,an+1)在函数fx=x/4x+1的图像上bn=1/an求证bn是等差数列且an,bn的通项公式(2)试问数列{an}中ak*ak+1(k属于N+)是否仍是{an}中的项?如果是,请指出是数列的第几项;如果
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![已知数列an的首项a1=1且点(an,an+1)在函数fx=x/4x+1的图像上bn=1/an求证bn是等差数列且an,bn的通项公式(2)试问数列{an}中ak*ak+1(k属于N+)是否仍是{an}中的项?如果是,请指出是数列的第几项;如果](/uploads/image/z/4045157-53-7.jpg?t=%E5%B7%B2%E7%9F%A5%E6%95%B0%E5%88%97an%E7%9A%84%E9%A6%96%E9%A1%B9a1%3D1%E4%B8%94%E7%82%B9%28an%2Can%2B1%29%E5%9C%A8%E5%87%BD%E6%95%B0fx%3Dx%2F4x%2B1%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8Abn%3D1%2Fan%E6%B1%82%E8%AF%81bn%E6%98%AF%E7%AD%89%E5%B7%AE%E6%95%B0%E5%88%97%E4%B8%94an%2Cbn%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8F%EF%BC%882%EF%BC%89%E8%AF%95%E9%97%AE%E6%95%B0%E5%88%97%7Ban%7D%E4%B8%ADak%2Aak%2B1%EF%BC%88k%E5%B1%9E%E4%BA%8EN%2B%EF%BC%89%E6%98%AF%E5%90%A6%E4%BB%8D%E6%98%AF%7Ban%7D%E4%B8%AD%E7%9A%84%E9%A1%B9%3F%E5%A6%82%E6%9E%9C%E6%98%AF%2C%E8%AF%B7%E6%8C%87%E5%87%BA%E6%98%AF%E6%95%B0%E5%88%97%E7%9A%84%E7%AC%AC%E5%87%A0%E9%A1%B9%EF%BC%9B%E5%A6%82%E6%9E%9C)
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