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3D Vectors help! (A2 Maths)

I'm quite stuck on this question I did some working out which I have attached below but I'm not sure what to do next. I'm particularly struggling with how to get vector AP - the mark scheme says AP is 4/3 AM which I don't know why.

Thanks in advance:smile:

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(edited 3 years ago)
Reply 1
AM:MP is 3:1
So AM is 3/4 of AP
So AP is 4/3 of AM
Reply 2
Original post by mqb2766
AM:MP is 3:1
So AM is 3/4 of AP
So AP is 4/3 of AM

Oh right I see. Thank you.

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