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A={(x,y):y=e 2x x=R} B={(x,y):y=e -2x x=R} 1. . not a set 2.singleton set 3.empty set 4.none of these
y=ex here x can vary from - infinity to + infinity but y can be only positive number so A = {R,positive number} and for y =e-x x can vary from - infinity to + infinity but y can be only positive number so B ={R,positive number} so A intersect B at only (0,1)Hence A intersection B is (0,1)Hence a singleton set
y=ex here x can vary from - infinity to + infinity but y can be only positive number
so A = {R,positive number}
and for y =e-x x can vary from - infinity to + infinity but y can be only positive number
so B ={R,positive number}
so A intersect B at only (0,1)
Hence A intersection B is (0,1)
Hence a singleton set
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