Edexcel C1 — Question 7

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
TopicStandard Integrals and Reverse Chain Rule
7. Given that $$\mathrm { f } ^ { \prime } ( x ) = 5 + \frac { 4 } { x ^ { 2 } } , \quad x \neq 0$$
  1. find an expression for \(\mathrm { f } ( x )\). Given also that
    f(2) = 2f(1),
  2. find \(\mathrm { f } ( 4 )\).
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