Question: 4 . 4 A unity feedback control system has the open - loop transfer function a . Compute the sensitivity of the closed - loop

4.4 A unity feedback control system has the open-loop transfer function
a. Compute the sensitivity of the closed-loop transfer function to changes in
the parameter A.
b. Compute the sensitivity of the closed-loop transfer function to changes in
the parameter a.
c. If the unity gain in the feedback changes to a value of , compute the
sensitivity of the closed-loop transfer function with respect to

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