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blank
4.
N
Diagram NOT
A
B
accurately drawn
a
M
O
C
c
OABC is a parallelogram.
M is the midpoint of CB.
N is the midpoint of AB.
=
OA
a
=
OC
c
(a) Find, in terms of a and/or c, the vectors
MB ,
(i)
.......................................................
(ii)
MN .
.......................................................
(2)
(b) Show that CA is parallel to MN.
(2)
Q4
(Total 4 marks)
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