Proving Det(AB) = Det(A)Det(B) using Group Theory | Somy's Math Question

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The discussion centers around proving the mathematical identity Det(AB) = Det(A)Det(B) using group theory. The user, Somy, seeks assistance in understanding this proof but is advised by another forum member to attempt the proof independently first. The conversation emphasizes the importance of engaging with the material before seeking help, highlighting a common practice in educational forums.

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somy
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an emergency question!

Hi all.
I just wanted the proof of this statement via group theory:
det(AB)=det(A)det(B)
thanks in advance.
somy:smile:
 
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We don't do homework for you, you have to show your own work first and then we help you work through the rest. Please read the "sticky" thread at the top of the page.
 
ok!
I just wanted to get an idea about it. I'll try it for myself.
Thank you
 

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