已知函数y=f(x)的图像经过坐标原点,且f'(x)=2x-1,数列{an}的前n项和Sn=f(n)(n属于N*)(1)求数列{an}的通项公式(2)若数列{bn}满足an+log3n=log3bn.求数列{}的前项和 2问中3是底数!
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![已知函数y=f(x)的图像经过坐标原点,且f'(x)=2x-1,数列{an}的前n项和Sn=f(n)(n属于N*)(1)求数列{an}的通项公式(2)若数列{bn}满足an+log3n=log3bn.求数列{}的前项和 2问中3是底数!](/uploads/image/z/4948263-63-3.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0y%3Df%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E7%BB%8F%E8%BF%87%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2C%E4%B8%94f%27%28x%29%3D2x-1%2C%E6%95%B0%E5%88%97%7Ban%7D%E7%9A%84%E5%89%8Dn%E9%A1%B9%E5%92%8CSn%3Df%28n%29%28n%E5%B1%9E%E4%BA%8EN%2A%29%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%EF%BC%882%EF%BC%89%E8%8B%A5%E6%95%B0%E5%88%97%7Bbn%7D%E6%BB%A1%E8%B6%B3an%2Blog3n%3Dlog3bn.%E6%B1%82%E6%95%B0%E5%88%97%7B%7D%E7%9A%84%E5%89%8D%E9%A1%B9%E5%92%8C+2%E9%97%AE%E4%B8%AD3%E6%98%AF%E5%BA%95%E6%95%B0%21)
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