(adsbygoogle = window.adsbygoogle || []).push({}); The problem statement, all variables and given/known data

Letv= (-1,2,5) Find all scalars k such that llkvll = 4

3. The attempt at a solution

I don't know what to do plz help

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

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# Homework Help: Looking for help with physics vectors

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