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				| 1. | The forward path transfer function is given by G(s) = 2/s(s+3). Obtain an expression for unit step response of the system. | 
| A. | 1+2e-t+e-2t | 
| B. | 1+e-t-2e-2t | 
| C. | 1-e-t+2e-2t | 
| D. | 1-2e-t+e+2t | 
| Answer» E. | |