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The transfer function of a plant is T left( s right)...

This question belongs to Electronics And Communications Engineering Control Systems
Control Systems
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The transfer function of a plant is $$T\left( s \right) = \frac{5}{{\left( {s + 5} \right)\left( {{s^2} + s + 1} \right)}}.$$     The second-order approximation of T(s) using dominant pole concept is

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Correct Answer: Option D
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