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SMO 2020 Senior Round 1 Question 2

SMO · SMO 2020 Senior Round 1

Question 2

Which of the following is equal to $\sqrt{5+\sqrt3}+\sqrt{5-\sqrt3}$?
  1. $\sqrt{10-\sqrt{22}}$
  2. $\sqrt{10+\sqrt{22}}$
  3. $\sqrt{10-2\sqrt{22}}$
  4. $\sqrt{10+2\sqrt{22}}$
  5. None of the above