OCR C1 2012 January — Question 6

Exam BoardOCR
ModuleC1 (Core Mathematics 1)
Year2012
SessionJanuary
TopicChain Rule

6 Given that \(\mathrm { f } ( x ) = \frac { 4 } { x } - 3 x + 2\),
  1. find \(\mathrm { f } ^ { \prime } ( x )\),
  2. find \(\mathrm { f } ^ { \prime \prime } \left( \frac { 1 } { 2 } \right)\).