Jia Earn Lim's answer to Ray's Secondary 4 A Maths Singapore question.

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Jia Earn Lim
Jia Earn Lim's answer
96 answers (Tutor Details)
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Hope this helps :) Tip: Before differentiation you can perhaps try to simplify the equation first, part f is a great example, you can do quotient rule on part f but it would be a lot more difficult compared to simplifying the equation first :)