Edexcel C1 2018 June — Question 1

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
Year2018
SessionJune
TopicIndices and Surds
  1. (i) Simplify
$$\sqrt { 48 } - \frac { 6 } { \sqrt { 3 } }$$ Write your answer in the form \(a \sqrt { 3 }\), where \(a\) is an integer to be found.
(ii) Solve the equation $$3 ^ { 6 x - 3 } = 81$$ Write your answer as a rational number.
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