Let x$[$n$]$ be a signal whose rational z$-$transform X$($z$)$ contains a pole at z $=112.$

Given that

x $1[$n$]$ ~ $($U x$[$n$]$

is absolutely summable and

$($

$1)$fl x$2[$n$]=$ S x$[$n$]$

is not absolutely summable, determine whether x$[$n$]$ is left sided, right sided, or

two sided.