Express the following in the form $\;a+ib : \large\frac{5 + \sqrt{2} i }{1 - \sqrt{2} i}$

Question

$(a)\;1+\sqrt{2} i\qquad(b)\;0\qquad(c)\;1- 2 \sqrt{2} i\qquad(d)\;1+ 2 \sqrt{2} i$