Use proof by contradiction to show that there exist no integers x x\,x and y y\,y for which 24x+16y=524x + 16y = 524x+16y=5.
[4]
Markscheme
1.1 Proof by Contradiction Questions
107 exam-style questions on Edexcel A Level Maths 1.1 Proof by Contradiction. Each one has a worked solution and a mark scheme showing where the marks go.