1 1 vote The signal flow graph of a system is shown below. The transfer function of the system is $\frac{s+1}{s^{2}+1}$ $\frac{s-1}{s^{2}+1}$ $\frac{s+1}{s^{2}+s+1}$ $\frac{s-1}{s^{2}+s+1}$ Control Systems gate2010-ec control-systems transfer-function + – admin 372 views answer comment Share Follow Add Sync Questions Print 0 reply Please log in or register to add a comment.