Expand and Simplify (2+5)(1−5)(2 + \sqrt{5})(1 - \sqrt{5})(2+5)(1−5)
Hence, work out the exact value of
(2+5)(1−5)(3−5) (2 + \sqrt{5})(1 - \sqrt{5})(3 - \sqrt{5}) (2+5)(1−5)(3−5)217 exam-style questions on Eduqas GCSE Maths Surds. Each one has a worked solution and a mark scheme showing where the marks go.