Which of the systems having following transfer functions is stable?$? – McqOptions

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1.	Which of the systems having following transfer functions is stable?$?
A.	1/(s¬¨‚â§+ 2)
B.	1/(s¬¨‚â§-2s + 3)
C.	1/(s¬¨‚â§ + 2s + 2)
D.	Exp(-20s)/(s¬¨‚â§ + 2s-l)
Answer» D. Exp(-20s)/(s¬¨‚â§ + 2s-l)

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