Question

Log1/3(2x+1)>-1 решиите

Answer 1

$log_{1/3}(2x+1)\ \textgreater \ -1 \\ 2x+1\ \textgreater \ 1/3^{-1} \\ 2x+1\ \textgreater \ 3 \\ 2x\ \textgreater \ 2 \\ x\ \textgreater \ 1$