Write 50 \sqrt{50}\,50 in the form k2k\sqrt{2}k2, where k k\,k is an integer.
Practise Oxford AQA IGCSE Maths Surds with exam-style questions for Core and Extended tier. 20 questions, matched to the Oxford AQA IGCSE Maths (9260) specification and written in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.