Skip to content / Đến nội dung
ThichHocToan.com

1963 AMC 12 Question 3

AMC12 · 1963 AMC 12

Question 3

If the reciprocal of $x+1$ is $x-1,$ then $x$ equals:
  1. $0$
  2. $1$
  3. $-1$
  4. $\pm1$
  5. none of these