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SEAMO 2027 - Paper E - SET 01 - Self-study Question 19

SEAMO · SEAMO 2027 - Paper E - SET 01 - Self-study

Question 19

Find the number of pairs of positive integers $(a,b)$ such that $a^2-b^2=361$.
  1. $0$
  2. $1$
  3. $2$
  4. $3$
  5. None of the above