The loop transfer function of a feedback control system is given by:

\[
\mathrm{G}(s) \mathrm{H}(s)=\frac{\mathrm{K}(s+1)}{s(1+s \mathrm{~T})(1+2 s)}, \mathrm{K}>0
\]

Use Routh Hurwitz criterion to determine the region of \(\mathrm{K}-\mathrm{T}\) plane in which the closed-loop system is stable.