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OpenStudy (anonymous):
find the number of elements in the set A={12{34}{}}
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OpenStudy (anonymous):
I think there are 3 elements in set A..
OpenStudy (anonymous):
You should have commas, ssai. If the set is: {1,2,{3,4},{}}, there are four elements in the set. If the set is: {12,{3,4},{}}, there are three elements in the set.
OpenStudy (anonymous):
Or may be it is 4...
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