9^{t}+17*9^{t}" alt="25^{t}+49* 25^{t}>9^{t}+17*9^{t}" align="absmiddle" class="latex-formula">
9^{t}(1+17)" alt="25^{t}(49+1)>9^{t}(1+17)" align="absmiddle" class="latex-formula">
\frac{18}{50}= \frac{9}{25} " alt=" \frac{25^{t}}{9^{t}} > \frac{18}{50}= \frac{9}{25} " align="absmiddle" class="latex-formula">
t>-1