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Math Help - Matrix equation

  1. #1
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    Matrix equation

    hello can someone please show me how to the values of x are solved for the given matrix. thanks..
    Attached Thumbnails Attached Thumbnails Matrix equation-untitled.gif  
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  2. #2
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    I read your image as \left|\begin{array}{ccc}x&0&0\\0&x&0\\0&0&x\end{ar  ray}\right|=0, which I'm not sure what to do with (x=0?). Could you perhaps clarify and maybe someone will be able to help?
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  3. #3
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    The determinant of a diagonal matrix is just the product of the numbers on the diagonal.
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