HW$02-5\mathrm{.}1-5\mathrm{.}2-$DefiniteIntegral: Problem $12(1$ point$)$

The following sum

$16(4$n$)24$n$+16(8$n$)24$n$+...+16(4$nn$)24$n

is a right Riemann sum for the definite integral$0$bf$($x$)$dxwhere b $=4$

and f$($x$)=16$x$2$

The limit of these Riemann sums as n$$ is