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SEAMO 2027 - Paper E - SET 10 - Self-study Question 4

SEAMO · SEAMO 2027 - Paper E - SET 10 - Self-study

Question 4

How many pairs of positive integers $(a,b)$ satisfy $a^2-b^2=361$?
  1. $0$
  2. $1$
  3. $2$
  4. $3$
  5. None of the above