Skip to content

Course home

Sign up

1.4.1 Structure and methods of proof

EasyMedium
12345678910111213141516171819202122232425
Question 13

Use proof by contradiction to show that there exist no integers m m\,m and n n\,n for which 21m+14n=521m + 14n = 521m+14n=5.

[4]
Markscheme

1.4.1 Structure and methods of proof Questions

  1. A Level
  2. /Maths
  3. /1.4.1 Structure and methods of proof

107 exam-style questions on AQA A Level Maths 1.4.1 Structure and methods of proof. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank