Question

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11. Which of the following sets are empty sets? Justify your answer.
0 A = {x : x2 = 4 and 3x =9).​

Answer 1

Answer:

x:x2= 4 and 3x=9 is not empty set because there is no element we can say that is an empty set but there is an element,so it is not an empty set

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Answer 2

Answer:

Is not a empty set.

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