log2a1log2a2的精選

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各項為正數的等比數列{an},a4•a7=8,則log2a1+log2a2+…+log2a10=(  )A.5...

各項為正數的等比數列{an},a4•a7=8,則log2a1+log2a2+…+log2a10=(  )A.5...

2020-10-24
問題詳情:各項為正數的等比數列{an},a4•a7=8,則log2a1+log2a2+…+log2a10=()A.5   B.10  C.15  D.20【回答】C知識點:數列題型:選擇題...
已知等比數列滿足,且a5·a6=2,則log2a1+log2a2+…+log2a10=( )A.2      ...

已知等比數列滿足,且a5·a6=2,則log2a1+log2a2+…+log2a10=( )A.2      ...

2021-10-03
問題詳情:已知等比數列滿足,且a5·a6=2,則log2a1+log2a2+…+log2a10=( )A.2               B.4             C.5          D.25【回答】C    知識點:基本初等函數I題型:選擇題...