Skip to content / Đến nội dung
ThichHocToan.com

1970 AMC 12 Question 1

AMC12 · 1970 AMC 12

Question 1

The fourth power of $\sqrt{1+\sqrt{1+\sqrt1}}$ is:
  1. $\sqrt2+\sqrt3$
  2. $\tfrac12(7+3\sqrt5)$
  3. $1+2\sqrt3$
  4. $3$
  5. $3+2\sqrt2$