If Z(s) is positive real, then where k has only positive real values – McqOptions

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1.	If Z(s) is positive real, then where k has only positive real values is also positive real. This hypothesis was first given by
A.	O'Brune
B.	R. Richards
C.	Bott and Duffin
D.	P. S. Laplace
Answer» C. Bott and Duffin

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