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IKMC 2006 - Grades 11-12 - Self-study Question 23

IKMC · IKMC 2006 - Grades 11-12 - Self-study

Question 23

For how many real b does $x^2-bx+80=0$ have two different positive even integer roots?
  1. 0
  2. 1
  3. 2
  4. 3
  5. infinitely many