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Question

Signals and Systems Question on Transfer Function From Block Diagram Representation

H(s)=1s3+As2+Bs+5H(s) = \frac1{ s^3+ As^2+Bs +5 } is the transfer function of a system. The system is stable for constraints

A

A<0 and AB<5

B

A>0 and AB<5

C

A>0 and AB>5

D

A<0 and AB>5

Answer

A>0 and AB>5

Explanation

Solution

The Correct answer is option (C) : A>0 and AB<5