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If A=[(-1,1,0),(0,-1,1),(2,3,4)] verify ...

If `A=[(-1,1,0),(0,-1,1),(2,3,4)]` verify that `3/4A'=(3/4A)^'`

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Knowledge Check

  • If A=[(3,-3,4),(2,-3,4),(0,-1,1)] , then :

    A
    adj(adj )A =A
    B
    |adj(adjA)|=1
    C
    |adjA|=1
    D
    None of these

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