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SEAMO 2027 - Paper C - SET 08 - Self-study Question 22

SEAMO · SEAMO 2027 - Paper C - SET 08 - Self-study

Question 22

Evaluate $(1+\frac12)(1-\frac13)(1+\frac14)(1-\frac15)\cdots(1+\frac1{2020})(1-\frac1{2021})$.
  1. 2
  2. 3
  3. 4
  4. 5
  5. None of the above