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Math Help - Matrix Algebra

  1. #1
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    Matrix Algebra

    A question says:

    given than m = [insert matrix here],

    show that M^2-M+10I = 0, where I and 0 are the 2x2 unit and null matrices respectively.

    What does '2x2 unit and null matrices' mean?
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  2. #2
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    Quote Originally Posted by juliak View Post
    A question says:

    given than m = [insert matrix here],

    show that M^2-M+10I = 0, where I and 0 are the 2x2 unit and null matrices respectively.

    What does '2x2 unit and null matrices' mean?
    You must have met these: I = \left( \begin{array}{cc}<br />
1 & 0 \\<br />
0 & 1 \end{array}<br />
\right) and 0 = \left( \begin{array}{cc}<br />
0 & 0 \\<br />
0 & 0 \end{array}<br />
\right)
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