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Matrices — Mathematics STD 10 — Question

ICSE BoardEnglish MediumSTD 10MathematicsMatrices1 Mark
MCQ
Which of the following is a diagonal matrix ?
  • A
    $\left[\begin{array}{lll}0 & 6 & 1 \\ 2 & 0 & 4 \\ 1 & 8 & 0\end{array}\right]$
  • B
    $\left[\begin{array}{ccc}2 & 0 & 0 \\ 0 & -1 & 0 \\ 0 & 0 & -2\end{array}\right]$
  • C
    $\left[\begin{array}{ccc}4 & 0 & 0 \\ 0 & -2 & 0\end{array}\right]$
  • D
    $\left[\begin{array}{lll}1 & 0 & 0 \\ 0 & 1 & 1 \\ 0 & 0 & 1\end{array}\right]$
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