Ex. 362. Find K, in ex361, for a marginally stable closed-loop system. The Routh Table can be used as well as MATLAB for a second check. ans:1

Ex. 361. Consider a unity feedback system with the forward transfer function G(s) = K (s+10)/(s(s+1)(s+20)(s+33)). Determine the gain K where the slowest closed-loop poles have a damping ratio of 0.8 and MATLAB is required. ans:1 

I only need the answer for 362