1000 Football Clubs: Teams, Stadiums, and Legends of the Beautiful Game

1000 Football Clubs: Teams, Stadiums, and Legends of the Beautiful Game

Ujian Nasional Sekolah Menengah Atas Diketahui log 7 = a dan log 3 = b. maka log 63 adalah …

Diketahui log 7 = a dan log 3 = b. maka log 63 adalah …

[tex]\log 63 =\log (3^2\times 7) =\log (3^2) +\log (7) =2\log 3 +\log {7} =\boxed{a+2b}[/tex]

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