{"id":6869,"date":"2021-10-21T21:19:37","date_gmt":"2021-10-21T15:49:37","guid":{"rendered":"https:\/\/mathemerize.com\/?p=6869"},"modified":"2021-10-25T02:31:45","modified_gmt":"2021-10-24T21:01:45","slug":"if-a-xy-then-the-power-set-of-a-is","status":"publish","type":"post","link":"https:\/\/mathemerize.com\/if-a-xy-then-the-power-set-of-a-is\/","title":{"rendered":"If A = {x,y}, then the power set of A is"},"content":{"rendered":"
Clearly P(A) = Power set of A<\/p>\n
= set of all subsets of A<\/p>\n
= {\\(\\phi\\), {x}, {y}, {x,y}}<\/p>\n
Let A and B be two sets containing 2 elements and 4 elements, respectively. The number of subsets A\\(\\times\\)B having 3 or more elements is<\/a><\/p>\n If aN = {ax : x \\(\\in\\) N}, then the set 6N \\(\\cap\\) 8N is equal to<\/a><\/p>\n Let A = [x: x \\(\\in\\) R, |x| < 1]; B = [x : x \\(\\in\\) R, |x – 1| \\(\\ge\\) 1] and A \\(\\cup\\) B = R – D, then the set D is<\/a><\/p>\n The set A = [x : x \\(\\in\\) R, \\(x^2\\) = 16 and 2x = 6] equal<\/a><\/p>\n