OCR C1 2013 June — Question 1

Exam BoardOCR
ModuleC1 (Core Mathematics 1)
Year2013
SessionJune
TopicIndices and Surds
1 Express each of the following in the form \(a \sqrt { 5 }\), where \(a\) is an integer.
  1. \(4 \sqrt { 15 } \times \sqrt { 3 }\)
  2. \(\frac { 20 } { \sqrt { 5 } }\)
  3. \(5 ^ { \frac { 3 } { 2 } }\)
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