Edexcel C1 2006 June — Question 6

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
Year2006
SessionJune
TopicIndices and Surds

6. (a) Expand and simplify \(( 4 + \sqrt { 3 } ) ( 4 - \sqrt { 3 } )\).
(b) Express \(\frac { 26 } { 4 + \sqrt { 3 } }\) in the form \(a + b \sqrt { 3 }\), where \(a\) and \(b\) are integers.