Question 2(30%) Determiric if the following processes are stable (or critically), or unstable: g1(s)=(3s+1)(s+1)1g2(s)=(3s+s)(s+2)s1g1(s)=3s3+s2+s+1s+1g1(s)=s4+4s3+4s2+2s+11 Explain the response rype of each of the above