Given: $h(t)=[\frac{t^2}{t^{2}2}{]}^2$; Find $h^{\text{'}}(t).$

$h^{\text{'}}(t)=\frac{8t^3(1t^2)}{(t^{2}2{)}^2}$

$h^{\text{'}}(t)=\frac{-8t^3}{(t^{2}2{)}^2}$

$h^{\text{'}}(t)=\frac{8t^3}{(t^{2}2{)}^2}$

$h^{\text{'}}(t)=\frac{8t^3(t^2-1)}{(t^{2}2{)}^2}$

$($E$)$ None of the choices