Question

Which of the following is an empty set?
(a) {x : x € W, x + 2 = 2}
(b) {x : x is a prime number, x <3)
(c) {x : x N, x + 5 = 3}
(d) {x : x € N, x + 8 = 8)

please tell answer with explanation​

Answer 1

Answer:

(d) no value of X will make X+8=8

as 0 does not belong to N

Answer 2

Answer:

d) {x:x€N,x+8=8} is an empty set.