Resumen

\[\log_{7}(7^{-1}) = \mathbf{?}\]

\[\log_{3}(3^{-7}) = \mathbf{?}\]

\[\log_{8} (64) = \log_8\left(8^\mathbf{?}\right) = \mathbf{?}\]

\[\log_{9} (1) = \log_{9} (9^0) = \mathbf{?}\]

\[\log_{9} (1) = \mathbf{?}\]

\[\log_{2} (2^{x}) = \mathbf{?}\]

\[\log_{4} (x^{4}+1) = \mathbf{?}\]

\[\log_{4} (x^{4}+4) = \mathbf{?}\]

\[\log_{4} (4^{x^{9}}) = \mathbf{?}\]

\[\log_{4} (4^{x^{9}}*10) = \mathbf{?}\]

\[\log_{10} (10^{x^{10}}*10) = \mathbf{?}\]

\[\log_{9} (9^{x^{2}}*9*9) = \mathbf{?}\]