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10 Nov 2019
Let G = R\{â1} (reals without â1). Define â onG by
x â y = x + y + xy.
Prove that (G, â) is a group. (Be sure to check first that â is awell-defined binary operation on G.)
Let G = R\{â1} (reals without â1). Define â onG by
x â y = x + y + xy.
Prove that (G, â) is a group. (Be sure to check first that â is awell-defined binary operation on G.)
Trinidad TremblayLv2
10 Jun 2019