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HKIMO 2026 Grade 9 National Preliminary Set 02 Question 7

HKIMO · HKIMO 2026 Grade 9 National Preliminary Set 02

Question 7

Given $x>0$ and $x+1/x=7$, find $x^2+1/x^2$.
  1. 52
  2. 48
  3. 76
  4. 47