OCR MEI Paper 2 2020 November — Question 3

Exam BoardOCR MEI
ModulePaper 2 (Paper 2)
Year2020
SessionNovember
TopicDifferentiating Transcendental Functions
3 You are given that \(y = 4 x + \sin 8 x\).
  1. Find \(\frac { \mathrm { dy } } { \mathrm { dx } }\).
  2. Find the smallest positive value of \(x\) for which \(\frac { \mathrm { dy } } { \mathrm { dx } } = 0\), giving your answer in an exact form.
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