mohon bantu secepatnyaaa 7^ log (49/343)

[tex] ^{7} log \: \frac{49}{343} \\ = ^{7} log \: \frac{1}{7} \\ = ^{7} log \: {7}^{ - 1} \\ = - 1 \times ^{7} log \: {7} \\ = - 1 \times 1 = - 1[/tex]