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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