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Let G be the set of rational numbers other than 1.

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Let G be the set of rational numbers other than 1. Let define an operation * on G by a*b=a+b-ab for all a, b € G. Prove that (G, *) is a group. -

**Mumbai University > Computer Engineering > Sem 3 > Discrete Structures**

**Marks:** 5 Marks

**Year:** Dec 2013

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