Academics – Mathematics : 2014/APR/04
Question
Q4. (a) Solve the following equation for x in the range x > 0: (6)
log (x2 + 23) – log (x + 1) = log 8
(b) Simplify fully using rules of indices: (5)
(8a6 b9 c3 )2/3/(2a2 bc3 )2
(c) Solve for t in the following equation: (5)
3 = 14e-0.05t
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