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Byju's Answer
Standard XII
Mathematics
Difference of Sets
Let A and B b...
Question
Let A and B be two sets in the same universal set. Then A - B is a null set if
A
A and B are disjoint sets
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B
A is contained in B
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C
B is contained in A
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D
A and B are both Null Sets
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Solution
The correct option is
D
A and B are both Null Sets
If A is contained in B then A - B is a null set because all the elements of set A belongs to set B.
If A and B are null sets, then A - B is also a null set.
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