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vectors

1. ABCD is a square and P, Q are the midpoints of BC, CD respectively. If AP = a
and AQ = b, find in terms of a and b, the directed line segments (i) AB, (ii) AD,
(iii) BD and (iv) AC.
Original post by baahw
1. ABCD is a square and P, Q are the midpoints of BC, CD respectively. If AP = a
and AQ = b, find in terms of a and b, the directed line segments (i) AB, (ii) AD,
(iii) BD and (iv) AC.


What have you tried? Where are you stuck?
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