The cartesian equation of a line is `(x - 6) /(2) = ( y + 4)/(7) = (z -5)/(3)` , find its vector equation .
A. `(-6hati + 4hatj - 5hatk) + lambda(2hati + 7hatj + 3hatk)`
B. `(6hati - 4hatj + 5hatk) + lambda(2hati + 7hatj + 3hatk)`
C. `(2hati + 7hatj + 3hatk) + lambda(-6hati + 4hatj - 5hatk)`
D. `(2hati +7hatj + 3hatk) + lambda(6hati - 4hatj + 5hatk)`