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"find a unit vector in the direction of the given unit vector"
vector w = 5i + 5j
apparently i = < 1,0> and j = < 0,1> , and i worked out that the magnitude was 1.
what i'm lost on is that in the example problem it somehow found the direction as well, but in the back of the book, it's looking for only an answer using i and j, but then couldn't i just use the initial equation? ?
for your c:

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You know the right answer?
"find a unit vector in the direction of the given unit vector"
vector w = 5i + 5j
appare...

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