Matematika

Pertanyaan

determinan matriks (AxB-C)
determinan matriks (AxB-C)

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  • det A
    =3×(-1) - (-2)×(-1)
    = -3+2
    = -1
    det B
    = -5×1 - (-4)×2
    = -5-(-8)
    = 3
    det C
    =2×7 - 1×(-2)
    =14+2
    =16

    matriks (A×B-C)
    = -1×3-16
    = -19

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