Mark Thong's answer to Xiaoyang's Junior College 1 H2 Maths question.

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Mark Thong
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Mark Thong's answer
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Answer to Part (ii) and (iii)
Mark Thong
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Mark Thong
7 years ago
One error:
In answer to part (iii) the result of n = 3 should have no unit attached. I've forgot to remove the "(mins)" unit.