3log49.7log9tolong sma caranya yaaa Ok....

[tex]^{3} log_{49} \times ^{7} log_{9} = \\ ^{3} log_{ {7}^{2} } \times ^{7} log_{9} = \\ = 2 \times ^{3} log_{9} \\ = 2 \times 2 \\ = 4[/tex]