Given that position vectors of points A and B are a = and b = and C is a point on AB such that AC : CB = 1 : 2. Find the coordinates of the point C.
OC = OA + ACOC = OA + 1/3AB = a + 1/3( a + b) =2/3a + 1/3b∴ C(−4/3, 3)
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