Question

How do you normalize `( - 4 i - 5 j + 2 k )`?

Answer 1

Dividing by his module

Explanation:

First: Lets calculate module `sqrt((-4)^2+(-5)^2+2^2)=sqrt45=3sqrt5`

Now, lets considered the vector `(-4/(3sqrt5),-5/(3sqrt5),2/(3sqrt5))`. This vector has module =1