Make t the subject of formula S = ut + \(\frac{1}{2} at^2\)

\(\frac{1}{a}\) {u \(\pm\) (U² - 2as)}

\(\frac{1}{a}\) {u \(\pm\) \(\sqrt{2as}\)}

\(\frac{1}{a}\) {-u + \(\sqrt{( 2as)}\)}