JEE Main & Advanced Mathematics Determinants & Matrices Question Bank Types of matrices, Algebra of matrices

  • question_answer
    If A and B are square matrices of order 2, then \[{{(A+B)}^{2}}=\] [MP PET 1992]

    A) \[{{A}^{2}}+2AB+{{B}^{2}}\]

    B) \[{{A}^{2}}+2AB+{{B}^{2}}\]

    C) \[{{A}^{2}}+2BA+{{B}^{2}}\]

    D) None of these

    Correct Answer: B

    Solution :

    It is obvious.


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