Convert the integral

${\displaystyle \underset{0}{\overset{\sqrt[\phantom{2}]{6}}{}}}{\displaystyle \underset{-x}{\overset{x}{}}}dydxt$ for $a=$

$b=$

$,c=$

and $d=$

$,$

${\displaystyle \underset{0}{\overset{\sqrt[\phantom{2}]{6}}{}}}{\displaystyle \underset{-x}{\overset{x}{}}}dydx={\displaystyle \underset{a}{\overset{b}{}}}{\displaystyle \underset{c}{\overset{d}{}}}$ubrace$((\frac{?}{\text{b}\text{a}\text{r}}(d))drubrace)dt$

$={\displaystyle \underset{a}{\overset{b}{}}},dt$

$={|}_a^b$

$=.$