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SEAMO 2018 — Paper D — Grade 7–8 Question 11

SEAMO · SEAMO 2018 — Paper D — Grade 7–8

Question 11

Given $a-b=3$ and $a^2+b^2=5$, find $1/a-1/b$.
  1. $\frac12$
  2. $1$
  3. $\frac32$
  4. $2$
  5. None of the above