need help

Why anyone wants to ask for help on an assessment exercise is totally beyond me. The whole point of assessment is to ensure that you are not placed as a student in a class that you will fail or in a class that you can teach. It is designed to identify the course most likely for you to get a good grade while actually learning new things.
 
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got this from my assesment, no idea how to solve it
Can you tell us what this assessment is for, what you have learned about vectors, and how much you are expected to know?

Following our guidelines would help us know what sort of help is appropriate:
 
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