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  3. 12th Class
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12th Class Mathematics Sample Paper Maths Olympiad Model Paper-5

  • question_answer
    The matrix \[\left[ \begin{matrix}    0 & 5 & -7  \\    -5 & 0 & 11  \\    7 & 11 & 0  \\ \end{matrix} \right]\]  is known as

    A)  Upper triangular matrix

    B)  Skew symmetric matrix

    C)  Symmetric matrix

    D)  Diagonal matrix

    E)  None of these

    Correct Answer: B

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