Solution 2.9.4.3
F(s)=
A
s
+
M
s +3;j4
+
M
s +3;j4
:
A = [sF(s)]]
s=0
=
25
(s
2
+6s +25)
s=0
=1
M = [[(s+3;j4)F(s)]]
s=;3+j4
=
25
s(s +3+j4)
s=;3+j4
=
25
j8(;3+j4)
= ;0:5+j0:375 = 0:625
6
2:4981 rad
f(t)=[1:0+1:25e
;3t
cos(4t +2:4981)]1(t):
1