Question: Q . 1 : Proof the following identities: ( a ) detA = e i j k A 1 i A 2 j A 3

Q.1: Proof the following identities:
(a) detA=eijkA1iA2jA3k,
(b) detA=16eijkerstAirAjsAkt.
Q . 1 : Proof the following identities: ( a )

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