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Mathematics 8 Online
OpenStudy (anonymous):

Find the unit vector for <7,-2> Leave in simplified radical form

OpenStudy (anonymous):

?

OpenStudy (anonymous):

ohh yeah i see. thanks

OpenStudy (anonymous):

But the answer is <(Sqrt)53/53, 2(Sqrt)53/53> How do i get there? I am supposed to show work. Last time you just divide the vector but this time it looks different?

OpenStudy (anonymous):

Anything please?

OpenStudy (anonymous):

Magnitude | v| = √ ( 7² + 2² ) = √ 53 Unit vector: < 7/√53, -2 √53 > Get rid of sqrt in denom.: < 7√53 / 53, -2√53/ 53 >

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