If the set G = R- {1} with the binary operation ab = a+b+a.Va,b EG a)...

 

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If the set G = R- {1} with the binary operation a•b = a+b+a.Va,b EG a) Prove that G is an abelian group. b) If G = (R,; ) then prove or disprove that G = G. If the set G = R- {1} with the binary operation a•b = a+b+a.Va,b EG a) Prove that G is an abelian group. b) If G = (R,; ) then prove or disprove that G = G.