\[\begin {array} {1 1} (a)\;\frac{-16}{4}\hat{i}+\frac{17}{4} \hat{j}+\frac{7}{4} \hat {k} \\ (b)\;\frac{20}{4} \hat{i}+\frac{17}{4} \hat {j}+\frac{7}{4} \hat{k} \\ (c)\;\frac{-16}{4} \hat{i}+\frac{17}{4} \hat {j}+\frac{19}{4} \hat{k} \\ (d)\;\frac{-16}{4} \hat{i}+\frac{13}{4} \hat {j}+\frac{19}{4} \hat{k} \end {array}\]