First Principal (of differentiation)
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Johor 2016 - AddMath - Paper 2
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(中文版) Add Math - Differentiation - Part 1
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First Principles Example: x³
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Long question of Differentiation for paper 2
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Add Math - Surd
24:50
SPM - Form 5 - Add Math - Integration 1
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how do we know the derivative of ln(x) is 1/x (the definition & implicit differentiation)
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