# How do you find the unit vector which bisects the angle AOB given A and B are position vectors a=2i-2j-k and b=3i+4k?

##### 1 Answer

Please see the explanation.

#### Explanation:

Given:

Here is a reference regarding how to find an Angle Bisector Vector ,

Compute the magnitude of

Compute the magnitude of

However, this is not the unit vector,

||barc|| = sqrt(19^2 + (-10)^2 + 7^2) = sqrt(510)