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Math Help - Matrices question

  1. #1
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    Matrices question

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  2. #2
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    How does "x" relate to the determinant or its underlying matrix? What does "delta" stand for?

    Thank you!
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  3. #3
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    delta is i think the "value" of the determinant.

    i think we have to use the identity x^3=1 t say which of the four options are equal to the original determinant.
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  4. #4
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    ok i confirmed it from my teacher. He says that the "Delta" refers to the "value of the determinant" and it is NOT the derivative.
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