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SEAMO 2020 — Paper E — Grade 9–10 Question 7

SEAMO · SEAMO 2020 — Paper E — Grade 9–10

Question 7

Let $p,q,r$ be the roots of $2x^3-5x^2-6x+2=0$. Find $\frac1p+\frac1q+\frac1r$.
  1. $1$
  2. $2$
  3. $3$
  4. $6$
  5. None of the above