Which of the following sets are null sets:

1.	Which of the following sets are null sets:
A.	2 and 3
B.	{x: x < 5, x > 6}
C.	{x: \|x \|< -4, x ?N}
D.	Set of all prime numbers between 15 and 19
Answer» B. {x: x < 5, x > 6}

Discussion

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