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[" Let "Z" be the set of all integers an...

[" Let "Z" be the set of all integers and "A={(a,b):a^(2)+],[3b^(2)=28,a,b in Z}" and "B={(a,b):a>b,a,b in Z}],[" Then,the number of elements in "A nn B," is "-],[[" (1) "2," (2) "4," (3) "6," (4) "5]]

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