(P7.98)-The voltage υ1(t) in a network is defined by the equation.

(P7.98)-The voltage υ1(t) in a network is defined by the equation.

d^2υ1(t)/dt^2 + 2 [ dυ1(t)/ dt] + 5υ1(t) = 0

Find

(a) the characteristic equation of the network.

(b) the circuit’s natural frequencies.

(c) the expression for υ1(t).

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