# How do you find the sum of the unit vectors (-1,2,-4) and (-8,5,-10)?

##### 1 Answer

Nov 15, 2016

The unit vector is:

#### Explanation:

The sum is:

To make a unit vector, compute the magnitude:

|(-9. 7, -14)| = sqrt((-9)^2 + 7^2 + (-14)^2) = sqrt(326)

Divide each component by

The unit vector is: