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Find the points at which the root locus crosses the j...

This question belongs to Electronics And Communications Engineering Control Systems
Control Systems
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Find the points at which the root locus crosses the jω axis for the unity feedback system with feed forward transfer function.
$$G\left( s \right) = \frac{K}{{\left( {{s^2} + 2s + 2} \right)\left( {{s^2} + 2s + 5} \right)}}$$

Answer & Solution
Correct Answer: Option B
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