GATE ECE 2014 Set 2 | Question: 21

Question

For the following system,

                  

when $X_{1} (s) = 0$, the transfer function $\frac{Y(s)}{X_{2}(s)}$ is

• A. $\frac{s+1}{s^{2}}\\ $
• B. $\frac{1}{s+1} \\$
• C. $\frac{s+2}{s(s+1)} \\$
• D. $\frac{s+1}{s(s+2)}$