在等差数列{an}中,a2=8,S6=66.(1)求数列{an}的通项公式(2)设bn=2/[(n+1)an],Tn=b1+b2+……+bn,求T10
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![在等差数列{an}中,a2=8,S6=66.(1)求数列{an}的通项公式(2)设bn=2/[(n+1)an],Tn=b1+b2+……+bn,求T10](/uploads/image/z/12610873-1-3.jpg?t=%E5%9C%A8%E7%AD%89%E5%B7%AE%E6%95%B0%E5%88%97%7Ban%7D%E4%B8%AD%2Ca2%3D8%2CS6%3D66.%281%29%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%282%29%E8%AE%BEbn%3D2%2F%5B%28n%2B1%29an%5D%2CTn%3Db1%2Bb2%2B%E2%80%A6%E2%80%A6%2Bbn%2C%E6%B1%82T10)
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