Question

WORK SHEET
1. Which of the following are null sets? Justify your answer.
(i) A = {x: x2 = 4 and 3x = = 9}
Solution:
(ii) B = {x: x + 5 = 5, X € N}
Solution:​

Answer 1

Answer:

(ii) B

Step-by-step explanation:

Because the set does not exist

If we put the lowest natural number 1 instead of x

We get

1+5=6

But the given set is x+5=5

For any natural number set does exit

So it's empty set

I hope answer will help you so