AQA C1 2010 January — Question 4

Exam BoardAQA
ModuleC1 (Core Mathematics 1)
Year2010
SessionJanuary
TopicIndices and Surds

4
  1. Show that \(\frac { \sqrt { 50 } + \sqrt { 18 } } { \sqrt { 8 } }\) is an integer and find its value.
    (3 marks)
  2. Express \(\frac { 2 \sqrt { 7 } - 1 } { 2 \sqrt { 7 } + 5 }\) in the form \(m + n \sqrt { 7 }\), where \(m\) and \(n\) are integers.
    (4 marks)