Question

Which of the following set (s) are empty ? ◯ {x : x = x}
◯ {x : x ≠ x} ◯ {x : x = x2} ◯ {x : x ≠ x2. Plz answer quickly, i am having exam !!!

Answer 1

Answer:

xuxhxdxhsxjxshxshhxsfhgddzxhfxvjg

Answer 2

Answer:

{x:x is not=x}. {x:x is not=x^2}

Step-by-step explanation:

These are empty sets because they don't contain any element . Both sets are phi sets.