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Math Help - HELP needed!!! proof of invertible matrices

  1. #1
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    HELP needed!!! proof of invertible matrices

    The question has been attached as an image.

    any help or light on this question would be hugely appreciated!!

    thank you
    Attached Thumbnails Attached Thumbnails HELP needed!!! proof of invertible matrices-question-1.jpg  
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  2. #2
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    Re: HELP needed!!! proof of invertible matrices

    please read the forum rules concerning answering questions that count towards your grade.
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  3. #3
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    Re: HELP needed!!! proof of invertible matrices

    i reply to this thread because i guess i know the answer.. i just wanna be updated with the progress...
    @kaya2345- the solution shouldn't be difficult when you start working from the actual no. of entries in an nxn matrix...
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