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Math Help - Finding Values Of Pronumerals So Matrices A and B Are Equal?

  1. #1
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    Finding Values Of Pronumerals So Matrices A and B Are Equal?

    A=[2 2 -5]
    ....[0 1 3]

    B=[x 2 -5]
    ....[0 1 y]

    I need the answers + help on how to do it, Thanks.
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  2. #2
    Junior Member slovakiamaths's Avatar
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    As A=B
    so
    <br />
 \left[\begin{matrix}2 & 2 & -5\\ 0 & 1 & 3\end{matrix}\right]=\left[\begin{matrix}x & 2 & -5\\ 0 & 1 & y\end{matrix}\right]<br />
    now by equating corresponding elements of of these matrices, we have
    x=2
    y=3
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