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1990 AMC 12 Question 5

AMC12 · 1990 AMC 12

Question 5

Which of these numbers is largest?
  1. $\sqrt{\sqrt[3]{5\cdot6}}$
  2. $\sqrt{6\sqrt[3]5}$
  3. $\sqrt{5\sqrt[3]6}$
  4. $\sqrt[3]{5\sqrt6}$
  5. $\sqrt[3]{6\sqrt5}$