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1 November, 15:44

Which of the following matrices does not have an inverse

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  1. 1 November, 15:59
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    Step-by-step explanation:

    Inverse of matrix is a matrix derived from another matrix such that if you multiply the two you get a unit matrix. Square matrices with a an inverse are called non singular matrices while those without an inverse are called singular matrices (determinant is zero). Inverses and determinant are only calculated for square matrices. Therefore, the determinant of a singular matrix is zero and also if A and B are inverses matrices then A and B must be square matrices.
  2. 1 November, 16:44
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    If the determinant of the matrix is zero, then it will not have an inverse; the matrix is then said to be singular. Only non-singular matrices have inverses. Find the inverse of the matrix A = (3 1 4 2). result should be the identity matrix I = (1 0 0 1).
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