Using the circuit below for where A$*$Delta is $6\mathrm{.}9*$Delta and B$*$iPhi is $7\mathrm{.}7*$iPhi:

R$=10$ Ohm; L$=4$H; C$=10$mF; vg$($t$)=110*$u$($t$)$

$8\text{'}$

m

R

vi

$$

$$

Av

Ta$($t$)$

Big

Provide only the real part of the complex conjugate poles, include $2$ decimal digits