已知6^a=5,则|g25/lg6等于?

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已知6^a=5,则|g25/lg6等于?
已知6^a=5,则|g25/lg6等于?

已知6^a=5,则|g25/lg6等于?
6^a = 5 a = log(6 ,5) (6是底数,5是真数) lg25/lg6 = log(6 ,25) = log(6 ,5 ) = 2log(6,5) = 2a