The projections of a vector on the three coordinate axis are 6, -3, 2 respectively. The direction consines of the vector are

Question

( A ) $-\frac{6}{7}, -\frac{3}{7}, \frac{2}{7}$
( B ) $\frac{6}{7}, -\frac{3}{7}, \frac{2}{7}$
( C ) $6, -3, 2$
( D ) $\frac{6}{5}, -\frac{3}{5}, \frac{2}{5}$