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3.6.5 Differentiation (A-level only)

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Question 31
f(x)=3x−1x−5−2x+10x2−25 f(x) = \frac{3x-1}{x-5} - \frac{2x+10}{x^2-25} f(x)=x−53x−1​−x2−252x+10​
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]

3.6.5 Differentiation (A-level only) Questions

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