Numerical - Zero location of system for given transfer function

Q.  For the transfer function given below, where does the zero of the system lie?

G(s) = 5s -1 / s2 + 5s + 4

- Published on 09 Oct 15

a. s = -1 & s = -1/4
b. s = -4 & s = -1
c. s = 1/5
d. s = -1/5

ANSWER: s = 1/5

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