Discretization of continuous system 
Q1. The Tustin approximation method relates the s-domain and z-domain transfer function using the following approximation:
Q2. What are the roots of the characteristic equation of the following closed loop transfer function 
?
?
Q3. What is the partial fraction expansion of 
?
?
Q4. What is the discretization of 
with 0.1 sampling time using Impulse Invariance method?
with 0.1 sampling time using Impulse Invariance method?
Q5. What is the discretization of 
with 0.1 sampling time using Tustin method?
with 0.1 sampling time using Tustin method?