Given that
Find the magnitude.
(Apply distance formula)
(Substitute )
(Product of two same signs is positive)
(Evaluate powers)
(Add: )
(Use a calculator)
Graph to determine how to find the direction.Draw a right tringle that has as its hypotenuse and an acute angle at .
(Substitute )
(Simplify)
(Divide)
(Use a calculator)
The direction of is or about .
The magnitude of is about 2.3 and a direction of about .
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