Which of the sets of the following sets are null sets? Give reasons infavour of your answers:
`Y=phi`,

Which of the sets of the following sets are null sets? Give reasons infavour of your answers: X={0} ,

Which of the sets of the following sets are null sets? Give reasons infavour of your answers: P={ x : x in R and x^2+1=0 }

Which of the sets of the following sets are null sets? Give reasons infavour of your answers: Q={ x:2x+8=0 and x in N }

Which of the following is a null set?

Which of the following is a null set?

Which of the following is a null set

Which of the following is a null set ?