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等比数列{an}的前n项和为Sn,若S2n=3(a1+a3+…+a2n-1),a...
等比数列{an}的前n项和为Sn,若S2n=3(a1+a3+…+a2n-1),a1a2a3=8,则a10等于( )
A.-512
B.1024
C.-1024
D.512
考点分析:
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