# Questions & Answers of Mathematical Modeling and Representation of Systems

Question No. 35

For the signal-flow graph shown in the figure, which one of the following expressions is equal to the transfer function ${\overline{)\frac{Y\left(s\right)}{{X}_{2}\left(s\right)}}}_{{X}_{1}\left(s\right)=0}$?

Question No. 64

Find the transfer function $\frac{Y\left(s\right)}{X\left(s\right)}$ of the system given below.

Question No. 165

For the system governed by the set of equations:

$\mathrm{y}=3{x}_{1}$

the transfer function Y(s)/U(s) is given by