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1.10.4 Product, quotient and chain rules (A-level only)

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Question 46
f(x)=x+42x−1+6x+34x2−1 f(x) = \frac{x+4}{2x-1} + \frac{6x+3}{4x^2-1} f(x)=2x−1x+4​+4x2−16x+3​
a.

Express f(x)f(x)f(x) as a fraction in its simplest form.

[3]
b.

Hence find f′(x)f'(x)f′(x) in its simplest form.

[4]

1.10.4 Product, quotient and chain rules (A-level only) Questions

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