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प्रश्न
Which of the following sets are empty sets?
विकल्प
Set of intersecting points of parallel lines.
Set of even prime numbers.
Month of an English calendar having less than 30 days.
P = {x | x ∈ I, -1 < x < 1}
उत्तर
Set of intersecting points of parallel lines.
Explanation:
Since,
the set of intersecting points of parallel lines = {};
the set of even prime numbers = {2};
the Month of an English calendar having less than 30 days = {February}; and
P = {x | x ∈ I, -1 < x < 1} = {0}
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