CHO A LOG 15, B LOG 10  3  3 VẬY LOG 50

Câu 35: Cho a log 15, b log 10 

³



³

vậy log 50 ?

³



A. ^{3 a b 1}  ^{ }  _B. ^{4 a b 1}  ^{ }  _{C. a b 1   D.} ^{2 a b 1}  ^{ } 