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प्रश्न
State whether the given pair of set is equal or equivalent.
P = {prime numbers which divide 70 exactly} and
Q = {prime numbers which divide 105 exactly}
उत्तर
P = {prime numbers which divide 70 exactly}
= {2, 5, 7}
and Q = {prime numbers which divide 105 exactly}
= {3, 5, 7}
These are equivalent sets as these have equal number of elements.
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