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SEAMO 2027 - Paper F - SET 02 - Self-study Question 3

SEAMO · SEAMO 2027 - Paper F - SET 02 - Self-study

Question 3

Suppose $x,y$ are real numbers such that $x-y=8$ and $x^2+y^2=194$. Find $xy$.
  1. 65
  2. 67
  3. 71
  4. 73
  5. 81