Academics – Mathematics : 2015/DEC/02
Question
Q2. (a) A communications mast stands vertically on a horizontal base area.
An anchor point on the base area is 20 m from the foot of the mast.
The distance from the anchor point to the top of the mast is 5 m more than the height of the mast.
Calculate the height of the mast. (6)
(b) Solve the following equation for x: (6)
((3x + 1) (2x - 1))/3x(x - 1) -2 = 0
(c) Fully factorise: (4)
a2 b – 3a2 - 4b + 12
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