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Mathematical Methods · Unit 2 · Further differentiation · Differentiation rules

Solve problems that involve combinations of the chain rule, product rule and quotient rule to differentiate functions involving power and polynomial functions, expressing derivatives in simplest and factorised form.

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Question 1

Determine the derivative of \(g(x) = \ln(x^2) + \ln[(3x - 2)^4]\). Express the derivative as a single fraction in its simplest and factorised form.

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Question 2

Find the derivative of $f(x) = \frac{(3x+2)^2}{x-1}$, expressing your answer as a single fraction in simplest and factorised form.

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Question 3

Find the derivative of $$f(x) = \frac{(3x + 2)^2}{x - 1}$$ and express your answer as a single fraction in simplest and factorised form.

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Use the chain rule, if 𝑦 = 𝑓(𝑢) and 𝑢 = 𝑔(𝑥) then 𝑑𝑦 𝑑𝑥 = 𝑑𝑦 𝑑𝑢 × 𝑑𝑢 𝑑𝑥, to determine the derivative of composite functions involving power and polynomial functions.
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