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Question

What is the output of the following code?
P=tf([1 2],[3 4]);
Q=tf([1 2],[3 4]);
Z=P.Q;

a.

Z is the response of the system whose pole is at s=-4/3

b.

Z is the response of the system whose pole is at s=4/3

c.

Z is the response of the system whose poles are at s=-4/3 & s=+4/3

d.

Z is the response of the system whose zeros are at s=-4/3

Answer: (a).Z is the response of the system whose pole is at s=-4/3

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