Solve the equation : $\;3x^{2}-4x+\large\frac{20}{3}=0\;$

Question

$(a)\;\large\frac{2}{3} \pm \large\frac{4}{3} i\qquad(b)\;\large\frac{4}{3} \pm \large\frac{2}{3} i\qquad(c)\;\large\frac{5}{3} \pm \large\frac{4}{3} i\qquad(d)\;\large\frac{2}{3} \pm \large\frac{5}{3} i$