(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Check the picture.

2. Relevant equations

3. The attempt at a solution

I'm sure it's very simple but I just can't seem to get it. I've been sitting here staring at the page for a while now with no joy. Check the picture for my attempt.

Thanks very much for any help, greatly appreciated.

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# Homework Help: Simple vectors question

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