Question:

Evaluate the following determinant using the cofactor method.?

by Guest31757  |  earlier

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|2 11 3 12 |

|0 2 23 8 |

|0 1 35 12 |

|0 0 7 0 |

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  1. Greetings

    Expand along the first column

    |2 23 8|

    |1 35 12| x 2

    |0 7 0|

    Expand along the third row

    |2 8|

    |1 12| x 2 x -7

    (24 - 8) x -14

    = -88

    Regards

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