1.

The block diagram of a system is shown in the figure.If the desired transfer function of the system is\(\frac{{C\left( s \right)}}{{R\left( s \right)}} = \frac{s}{{{s^2} + s + 2}}\)then G(s) is

A. 1
B. s
C. 1/s
D. \(\frac{{ - s}}{{{s^3} + {s^2} - s - 2}}\)
Answer» C. 1/s


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