已知{an}是首项为a1=1的等差数列且满足an+1>an(n∈N*),等比数列
题型:解答题
问题:
已知{an}是首项为a1=1的等差数列且满足an+1>an(n∈N*),等比数列{bn}的前三项分别为b1=a1+1,b2=a2+1,b3=a3+3. (Ⅰ)求数列{an}和{bn}的通项公式; (Ⅱ)若数列{cn}满足(an+3)cnlog2bn=
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已知{an}是首项为a1=1的等差数列且满足an+1>an(n∈N*),等比数列{bn}的前三项分别为b1=a1+1,b2=a2+1,b3=a3+3. (Ⅰ)求数列{an}和{bn}的通项公式; (Ⅱ)若数列{cn}满足(an+3)cnlog2bn=
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