Higher November 2018 Paper 2 Q11

11 An approximation for the value of \(\pi\) is given by

\(4\left(1 - \dfrac{22}{57} + \dfrac{22}{85} - \dfrac{22}{105} + \dfrac{22}{117} - \dfrac{22}{242}\right)\)

Use your calculator to show that this approximation is within 0.1 of 3.14 [2 marks]