The driving point impedance of a one-port reactive network is given by Z(s)=5(s^2+4)(s^2+25)/s(s^2+16). After taking the partial fractions, find the coefficient of (s + j4).
(a) 135/4
(b) 145/4
(c) 155/4
(d) 165/4
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I'm obligated to ask this question of Synthesis of Reactive One-Ports by Foster’s Method in portion Elements of Realizability and Synthesis of One-Port Networks of Network Theory