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JEE Main & Advanced Mathematics Determinants & Matrices Question Bank Special types of matrices, Transpose, Adjoint and Inverse of matrices

  • question_answer
    The matrix \[\left[ \begin{matrix}    0 & 5 & -7  \\    -5 & 0 & 11  \\    7 & -11 & 0  \\ \end{matrix} \right]\]is known as  [Karnataka CET 2000]

    A) Upper triangular matrix

    B) Skew symmetric matrix

    C) Symmetric matrix

    D) Diagonal matrix

    Correct Answer: B

    Solution :

    The given matrix is a skew-symmetric matrix \[[\because \,\,{A}'=-A]\].


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