| Exam Board | Edexcel |
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| Module | C1 (Core Mathematics 1) |
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| Year | 2013 |
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| Session | January |
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| Topic | Indices and Surds |
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- Express
$$( 5 - \sqrt { } 8 ) ( 1 + \sqrt { } 2 )$$
in the form \(a + b \sqrt { } 2\), where \(a\) and \(b\) are integers.
- Express
$$\sqrt { } 80 + \frac { 30 } { \sqrt { } 5 }$$
in the form \(c \sqrt { } 5\), where \(c\) is an integer.