Sorry if this is the wrong section, but it came from my Calc book.

The question is : find a vector of norm in the direction opposite of .

As I understand it, the direction vector is the

So the direction vector of the given vector is:

right?

New vector needs to be opposite so switch the signs:

Now do I multiply the required norm into this direction vector to get the final answer:?

I just took a stab at it, so I likely messed up...