The solution of the differential equation of free undamped oscillations is $($where x is displacement, wo is natural cyclic frequency, xo is amplitude; $4$o is initial phase; $3$ is damping factor; w is cyclic frequency$)$Select one:a$.$ x$+$wox $=0$b$.$ x$=$ xo sin$($wot $+0)$c$.$ x$($t$)=$ x$0$ e$-$Bt sin$($wt $+90)$d$.$ x$+$ wx $=0$e$.+28+43$$$=0$