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SEAMO 2018 — Paper D — Grade 7–8 Question 3

SEAMO · SEAMO 2018 — Paper D — Grade 7–8

Question 3

For a positive integer n, find the remainder when $n^5-n$ is divided by five.
  1. $0$
  2. $1$
  3. $2$
  4. $3$
  5. $4$