A) \[a*b\]
B) \[{{a}^{-1}}*{{b}^{-1}}\]
C) \[e\]
D) None of these
Correct Answer: C
Solution :
\[{{b}^{-1}}*{{a}^{-1}}*b*a=({{b}^{-1}}*{{a}^{-1}})*(b*a)={{(a*b)}^{-1}}\] \[*(b*a)={{(a*b)}^{-1}}*(a*b)=e\]You need to login to perform this action.
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