Give asymptotic upper and lower bounds $($as tight as possible$)$ for the following

recurrences.

$($a$)$ T$($n$)=5$T$($n$/3)+$ nlog n

$($b$)$ T$($n$)=8$T$($n$/2)+$ n$3$ n

$($c$)$ T$($n$)=2$T$($n$/2-2)+$ n$/2$