OCR C1 2010 June — Question 3

Exam BoardOCR
ModuleC1 (Core Mathematics 1)
Year2010
SessionJune
TopicIndices and Surds

3
  1. Express \(\frac { 12 } { 3 + \sqrt { 5 } }\) in the form \(a - b \sqrt { 5 }\), where \(a\) and \(b\) are positive integers.
  2. Express \(\sqrt { 18 } - \sqrt { 2 }\) in simplified surd form.