Let $$, $$, $$, $$.
Compute the following:
$$
$$
$$
$$
$$
$$
$$

Is the computation $$ possible?

Yes No
Let $$. Compute the following:

$$

What is the distance between $$ and $$?
85 $$ 65 $$
True/False: Two vectors in $$ are orthogonal if and only if their inner product (dot product) is zero.
True False
True/False: The vectors $$ and $$ are orthogonal.
True False
True/False: $$ is a unit vector.
True False
Find a unit vector in the direction of $$.

First find the length of $$: $$.

Then find a unit vector $$.

Find a unit vector in the direction of $$.

First find the length of $$: $$.

Then find a unit vector $$.