{"id":6864,"date":"2021-10-21T21:17:22","date_gmt":"2021-10-21T15:47:22","guid":{"rendered":"https:\/\/mathemerize.com\/?p=6864"},"modified":"2021-10-25T02:32:02","modified_gmt":"2021-10-24T21:02:02","slug":"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","status":"publish","type":"post","link":"https:\/\/mathemerize.com\/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\/","title":{"rendered":"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"},"content":{"rendered":"
A = [x: x \\(\\in\\) R,-1 < x < 1]<\/p>\n
B = [x : x \\(\\in\\) R, x – 1 \\(\\le\\) -1 or x – 1 \\(\\ge\\) 1]<\/p>\n
[x: x \\(\\in\\) R, x \\(\\le\\) 0 or x \\(\\ge\\) 2]<\/p>\n
\\(\\therefore\\) A \\(\\cup\\) B = R – D<\/p>\n
where D = [x : x \\(\\in\\) R, 1 \\(\\le\\) x < 2]<\/p>\n
If A = {x,y}, then the power set of A is<\/a><\/p>\n If aN = {ax : x \\(\\in\\) N}, then the set 6N \\(\\cap\\) 8N is equal to<\/a><\/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 The set A = [x : x \\(\\in\\) R, \\(x^2\\) = 16 and 2x = 6] equal<\/a><\/p>\n