What is the response of the feedback function with open loop transfer – McqOptions

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1.	What is the response of the feedback function with open loop transfer function G(s) = 4/s(s+5) and input is input step?
A.	1-1/3(4e<sup>-t</sup> e<sup>-4t</sup>)
B.	1-1/2(6e<sup>-t</sup> e<sup>-4t</sup>)
C.	1-1/3(6e<sup>-t</sup> e<sup>-4t</sup>)
D.	1-1/2(4e<sup>-t</sup> e<sup>4t</sup>)
Answer» B. 1-1/2(6e<sup>-t</sup> e<sup>-4t</sup>)

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