已知loga(x1x2…x2 006)=4,则logax12+logax22+…+logax2 0062的值是


  1. A.
    4
  2. B.
    8
  3. C.
    2
  4. D.
    loga4
B
logax12+logax22+…+logax2 0062=2loga(x1x2…x2 006)=2×4=8.
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