Vector Algebra

If \(\bar{r}=-4 \hat{i}-6 \hat{j}-2 \hat{k}\) is a linear combination of the vectors \(\bar{a}=-\hat{i}+4 \hat{j}+3 \hat{k}\) and \(\bar{b}=-8 \hat{i}-\hat{j}+3 \hat{k}\), then