Question: 2 . Let G { ( a , b ) | a , b in R , b ! = 0 ) . Define a

2. Let G{(a,b)| a, b in R, b!=0). Define a binary operation on G by (a,b)(c,d)=(a+be, bd) for all (a, b),(c,d) e G. Show that (G,) is a noncommutative group.

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