Question

2] Which of the following are empty sets? why? i] A= {x/x=n², n∈N, n<1} ii] B={y/y is a month of the year in which 28 days present } iii] C= {z/2z-8=0, z∈N}​

Answer 1

Answer:

2)1)null set because natural number start from 1 so it want that natural number less than 1 is not possible