Simplify the below expression and express in the form of $a+ib$<br><br> $\qquad \qquad \qquad \qquad \large\frac{5-i}{7+i}$

Question

$\begin{array}{1 1} (a)\;\large\frac{17}{25}+\frac{6i}{25} \\ (b)\;\large\frac{17}{25}-\frac{6i}{25} \\ (c)\;\large\frac{17}{5}+\frac{6i}{5} \\ (d) \;\large\frac{17}{2}+\frac{6i}{2}\end{array} $