Question

A unit vector parallel to vector V= (2,-3,6) is what?

Answer 1

`(2/7, -3/7, 6/7)`

Explanation:

A unit vector parallel to `vec v` will be `(vec v)/(||vec v||`.

Since in this case `||v||=sqrt(2^2+3^3+6^2)=7`, it implies that a unit vector parallel to v will be `(2/7, -3/7, 6/7)`