Simplify fully (4+23)(4−23)11\displaystyle \frac{(4 + 2\sqrt{3})(4 - 2\sqrt{3})}{\sqrt{11}}11(4+23)(4−23)
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80 exam-style questions on Edexcel GCSE Maths Surds. Each one has a worked solution and a mark scheme showing where the marks go.