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AMO 2022 - Secondary 4 (Grade 10) Question 5

AMO · AMO 2022 - Secondary 4 (Grade 10)

Question 5

The polynomial $x^4-3x^3+5x^2+ax+b$ is divisible by $x^2-2x+1$. Find $ab$.

Question illustration
  1. $-10$
  2. $-5$
  3. $-2$
  4. $5$
  5. $10$