Let

x$($t$)=8$cos$(2$$8$t$+$$/3)+($cos$(2$$10$t$))2+$Re$\{4$ej$2$$6$t$\}.$

The Fourier series expansion for this signal is

x$($t$)=$k$=$akejk$2$Tt

where T is the fundamental period.

Question $1$

Enter the fundamental period T in seconds.