if 'A' is the set of all primes below'5' and 'B' is the set of all prime factors of '30' ,then is A-B=B-A
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27×626×72727×22×727×23×23×23
tayyab4:
can u tell ne what is this
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5
A={2,3}
B={2,3,5}
A-B={}
B-A={5}
A-B IS NOT EQUAL TO B-A
B={2,3,5}
A-B={}
B-A={5}
A-B IS NOT EQUAL TO B-A
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