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Thread: Matrix Question?

  1. #1
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    Matrix Question?

    i need help
    if
    <br /> <br />
A=\begin{pmatrix}1&0&2\\0&1&0\\2&0&1\end{pmatrix}.<br />
    calculate B3-3B2-B+3I

    the B3 and the 3B2 the 3 and the 2 are above but i dont know how to type them here

    please help how im gonna calculate B if i only know A?
    pls answer me someone
    Last edited by gdilm; Oct 10th 2009 at 07:01 AM.
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  2. #2
    MHF Contributor

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    Quote Originally Posted by gdilm View Post
    i need help
    if
    <br /> <br />
A=\begin{pmatrix}1&0&2\\0&1&0\\2&0&1\end{pmatrix}.<br />
    calculate B3-3B2-B+3I

    the B3 and the 3B2 the 3 and the 2 are above but i dont know how to type them here

    please help how im gonna calculate B if i only know A?
    pls answer me someone
    First, do not add questions to someone else's thread. Start your own thread.

    Second, you can't "find B" if only know A! Go back and read the problem again. Make sure you haven't left something out.
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