यदि A = {0, 1} तथा B = {0, -1} है तो दिखाइए कि `A xx B ne B xx A`

Answer

`A xx B = {(1, 2), (1, 3), (2, 2), (2, 3), (3, 2), (3, 3)}`
`B xx A = {(2, 1), (2, 2), (2, 3), (3, 1), (3, 2), (3, 3)}`