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How many pairs of sets (A,B) are there that satisfy the condition A,B propersubset {1, 2,......,5}, A intersection B ={}? a) 125 b) 127 c) 130 d) 243 e) 257
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i dunno. this is english not math...
Post this in the mathematics section and you'll get some answers. :)
okkkk my mistake........:)
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