2. Solved Papers
  3. J & K CET Engineering

J & K CET Engineering J and K - CET Engineering Solved Paper-2003

  • question_answer
    If A and B are two matrices such that both \[A+B\]and AB are defined, then           

    A)  A and B are of same order           

    B)  A is of order \[m\times m\]and B is of order \[n\times n\]

    C)  both A and B are of same order \[n\times n\]

    D)  A is of order m x n and B is of order \[n\times m\]

    Correct Answer: C

    Solution :

    Matrices\[~A+B\] and AB are defined only if both A and B are of same order \[n\times n\].


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