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 CIE IGCSE Maths Substitution with exam-style questions for Core and Extended tier. 27 questions, matched to the CIE IGCSE Maths (0580) specification and written in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) 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.