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JEE Main & Advanced Mathematics Determinants & Matrices Question Bank Expansion of determinants, Solution of equation in the form of determinants and properties of determinants

  • question_answer
    If \[\left| \,\begin{matrix}    x+1 & 1 & 1  \\    2 & x+2 & 2  \\    3 & 3 & x+3  \\ \end{matrix}\, \right|=0,\]then x is  [Kerala (Engg.) 2002]

    A) 0, - 6

    B) 0, 6

    C) 6

    D) - 6

    Correct Answer: A

    Solution :

    From options put \[x=0,\,6\] and -6. Then only option (a) is satisfying.


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