A=2j−jkA = 2j - jkA=2j−jk
Work out the value of A A\,A when j=7j = 7j=7 and k=3k = 3k=3
Practise Edexcel GCSE Maths Substitution with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.