Question

Which of the following are empty sets? Justify your answer. i) A = {x : x2 = 9 and 3x = 9} ii) B = {x : x + 2 = 0, x ∈ N}

Answer 1

Answer:

the answer is 386

Step-by-step explanation:

because in this question we only have to do solutions as we du daliy

Answer 2

Answer:

I know this it is not an empty set