OCR C1 2010 January — Question 9

Exam BoardOCR
ModuleC1 (Core Mathematics 1)
Year2010
SessionJanuary
TopicChain Rule
9 Given that \(\mathrm { f } ( x ) = \frac { 1 } { x } - \sqrt { x } + 3\),
  1. find \(\mathrm { f } ^ { \prime } ( x )\),
  2. find \(\mathrm { f } ^ { \prime \prime } ( 4 )\).
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