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18 August, 21:50

Evaluate the determination for the following matrix [144] [522] [155]

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  1. 18 August, 22:16
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    Matrix:

    1 4 4

    5 2 2

    1 5 5

    => Determinant =

    1 * (2*5 - 2*5) - 4 * (5*5 - 1*2) + 4 * (5*5 - 2*1)

    = 1 * (10 - 10) - 4 * (25 - 2) + 4 * (25 - 2) = 1*0 + 4 * 23 + 4 * (25 - 2) = 0 - 4*23 + 4*23 = 0

    Answer: 0
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