Question

1- Which of the following is a singleton set?
(a) L = (x | x² = 36, x € I }
(b) M = (y|y² + 5 = 2y² + 4, y € 1}
(c) Nala € I, a³ = 27 }
ANS:​

Answer 1

Answer:

option (B) M=(Y/Y²+5=2Y²+4,y=1