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Matrices Test -...

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  • Question 1
    1 / -0

    If In is the identity matrix of order n, the (In)-1

  • Question 2
    1 / -0

    If A and B are square matrices of the same order and AB = 3I, then A-1 is equal to

  • Question 3
    1 / -0

    Let for any matrix M ,M-1 exist. Which of the following is not true.

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