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VTMO 2017 — Grade 8 — semifinal Question 8

VTMO · VTMO 2017 — Grade 8 — semifinal

Question 8

Given $x + \frac{1}{y} = 1$ and $y + \frac{1}{z} = 1$, evaluate $xyz$.
  1. $1$
  2. $- 1$
  3. $- 2$
  4. $2$
  5. $0$