A) \( \Large \{ x : |x| < 1,\ x\ \epsilon\ N \} \) |
B) \( \Large \{ x : |x| = 5,\ x\ \epsilon\ N \} \) |
C) \( \Large \{ x : x^{2} = 1,\ \epsilon\ Z \} \) |
D) \( \Large \{ x : x^{2}+2x+1=0,\ x\ \epsilon\ R \} \) |
A) \( \Large \{ x : |x| < 1,\ x\ \epsilon\ N \} \) |