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Math Help - Linear Algebra Math problem, really need help

  1. #1
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    Linear Algebra Math problem, really need help

    Hey i have this math assignment due and i am really stuck. here it is:
    Let A be a 3x2 matrix and B be a 2x3 matrix.

    If AB is a 3x3 matrix =
    8 2 -2
    2 5 4
    -2 4 5

    Show that BA is a 2x2 matrix =
    9 0
    0 9

    Any help would be appreciated!!
    Thanks,
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  2. #2
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    Quote Originally Posted by nssk11 View Post
    Hey i have this math assignment due and i am really stuck. here it is:
    Let A be a 3x2 matrix and B be a 2x3 matrix.

    If AB is a 3x3 matrix =
    8 2 -2
    2 5 4
    -2 4 5

    Show that BA is a 2x2 matrix =
    9 0
    0 9

    Any help would be appreciated!!
    Thanks,
    Please read the forum rule regarding help with questions that count towards the grade of a student.

    Thread closed.
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