Answer to Question #22766 in Abstract Algebra for ekra

Question #22766

Let фi : Gi ------> G1 x G2 x G3 x…….Gi x ……Gr be given by фi (gi)= (e1 ,e2 ,…..gi,…..er) where gi єGi and ej is the identity of Gj. Prove that this is a injective map.

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