$\mathrm{<mn>2</mn>}$ soni $\left\{\begin{array}{l}{\mathrm{x}}^2-\mathrm{<mn>3</mn>}\mathrm{x}+\mathrm{<mn>21</mn>}\ge 0\\ \mathrm{x}>0\end{array}\right.$ tengsizliklar sistemasining yechimi bo'ladimi?