Simple vectors question that I can't seem to get right?

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The discussion revolves around a vector problem where the original poster has shared their question and attempted solution on an external site. Participants suggest that posting the question directly on the forum would facilitate better assistance. The original poster believes the mark scheme may be incorrect, as others have arrived at the same answer. There is a call for clearer communication within the forum to enhance collaboration. The conversation emphasizes the importance of sharing information directly for effective problem-solving.
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All information pertaining to the question and my attempted solution is here: http://mathbin.net/39295
 
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alexgmcm said:
All information pertaining to the question and my attempted solution is here: http://mathbin.net/39295

It would be better if you could post the question and your work here on the PF, using the PF Homework Help template that you are supplied, rather than making us click through levels of another website.
 
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True, but I'd already typed it up there. It seems like the mark scheme might just be wrong as everyone else seems to get the same answer as me.
 

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