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6 questions
The meaning of the letter Z in set theory is
Natural Number
Integer Number
Irrational Number
Rational Number
The meaning of the letter N in set theory is
Natural Number
Rational Number
Real Number
Irrational Number
An example of an irrational number is
π
2
25
-6
An example of an integer number is
0
π
2
25
A = {1,2} and B = {2,3} The union of set A and B is:
A∪B ={1,3}
A∪B ={1,2,3}
A∪B ={2,3}
A∪B ={1}
A = {1,2} and B = {2,3} The intersection of set A and B is:
A∩B={2}
A∩B={1,2,3}
A∩B={1}
A∩B={3}
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