已知数列an中,a1=1,当n≥2时,其前n项和为Sn,满足Sn²=an(Sn-1)1求证1/SN 是等差数列 2.求证Bn=Log2 sn/sn+2,{bn}的前n项和Tn,求满足T大于等于6的最小正整数求满足Tn大于等于6的最小正整数n
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