Edexcel P2 2022 October — Question 1

Exam BoardEdexcel
ModuleP2 (Pure Mathematics 2)
Year2022
SessionOctober
TopicProof

  1. Given that \(a , b\) and \(c\) are integers greater than 0 such that
  • \(c = b + 2\)
  • \(a + b + c = 10\)
Prove, by exhaustion, that the product of \(a , b\) and \(c\) is always even.
You may use the table below to illustrate your answer. You may not need to use all rows of this table.
\(а\)\(b\)\(c\)
1
2