Vector OP =a, Vector OA= 3a , Vector OB= b , Vector BP =a-b , Vector AB= b-3a, Vector MB= 0.5b-1.5a. If X lies on BP produced so that vector BX=k BP, express vector MX in terms of a,b and k. Here is the shape:http://imageshack.us/photo/my-images/10/vectorgeometry.png/
I think your drawing is wrong; the problem says X lies on BP and yours does not
I will give you the exact drawing from my book. Wait!!
|dw:1338142733280:dw|this is how I see it
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