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| 1. |
{1,2}=a then wath is a×a×a |
| Answer» A×A= {1,2} × {1,2}A×A= { (1,1),(1,2),(2,1),(2,2) }A×A×A= { (1,1),(1,2),(2,1),(2,2) } × {1,2}A×A×A= { (1,1,1),(1,1,2),(1,2,1),(1,2,2),(2,1,1),(2,1,2),(2,2,1),(2,2,2) } | |