Question

State which of the following set is an empty set?(1) prime numbers which are even (2) odd numbers divisible by 2 (3)triangles whose angle sum is 180 (4)people on the eart​

Answer 1

Step-by-step explanation:

(ii) Since, 2 is a prime number and is even, and it is the only prime which is even. Therefore this not an example of the empty set. (iii) Here, x2 – 2 = 0, x2 = 2, x = ± √2 ∈ N