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Discussion :: GATE Chemical

  1. Which of the following statements are TRUE? 
    P. The eigenvalues of a symmetric matrix are real 
    Q. The value of the determinant of an orthogonal matrix can only be +1 
    R. The transpose of a square matrix A has the same eigenvalues as those of A 
    S. The inverse of an 'n × n' matrix exists if and only if the rank is less than 'n'
    2. A.
    P and Q only
    B.
    P and R only
    C.
    Q and R only
    D.
    P and S only

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    Answer : Option B

    Explanation :

    -NA-

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