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yomylola

  • one year ago

help please? What are the determinate of the minor and the cofactor of a21 in this matrix? [11 3 7] [ 2 0 1] [13 4 4]

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  1. Muhammad_Nauman_Umair
    • one year ago
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    wait

  2. Muhammad_Nauman_Umair
    • one year ago
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    minor is determinant of [11 7 ] [13 4]

  3. Muhammad_Nauman_Umair
    • one year ago
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    if (-1)^(2+1) i.e -1 is muliplied with minor we get co- factor

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