AQA Further AS Paper 2 Discrete 2021 June — Question 2

Exam BoardAQA
ModuleFurther AS Paper 2 Discrete (Further AS Paper 2 Discrete)
Year2021
SessionJune
TopicGroups

2 The set \(S\) is given by \(S = \{ 0,2,4,6 \}\) 2
  1. Construct a Cayley table, using the grid below, for \(S\) under the binary operation addition modulo 8
    \includegraphics[max width=\textwidth, alt={}, center]{18ce34aa-e4c3-4a84-a36d-6542d2319bf5-03_561_563_607_831} 2
  2. State the identity element for \(S\) under the binary operation addition modulo 8