The OLTF of a feedback system is G(s)H(s)=K(s+1)(s+3)s2+4s+8
The root locus for the same is
A
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B
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C
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D
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Solution
The correct option is A (b) &{d} options are wrong, because root locus is symmetrical about real axis.
Option (c) is wrong because root locus directions are from pole to zeros.