设等差数列{an}的前n项和为Sn,等比数列{bn}的前n项和为Tn,已知数列{
题型:解答题
问题:
设等差数列{an}的前n项和为Sn,等比数列{bn}的前n项和为Tn,已知数列{bn}的公比为q(q>0),a1=b1=1,S5=45,T3=a3-b2. (Ⅰ)求数列{an},{bn}的通项公式; (Ⅱ)求
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设等差数列{an}的前n项和为Sn,等比数列{bn}的前n项和为Tn,已知数列{bn}的公比为q(q>0),a1=b1=1,S5=45,T3=a3-b2. (Ⅰ)求数列{an},{bn}的通项公式; (Ⅱ)求
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