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Can someone help on Question C?

Can someone help on Question C?-example-1
User Max Leske
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2 Answers

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21 votes
It’s b and a, hope this helps have a nice day! ;)
User Tass
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13 votes
13 votes

It's - b + a

Because we're going down the arrow on b or the opposite direction of b. Then, up to C where its vector is a as it lies half way on AC with half of the line labelled a. So, the other half must be also a.

Hope this helps!

User Fangsterr
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