9th class science group Math Ch no .1 Exercise no 1.5 part 1 complete.......

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  • Опубліковано 20 чер 2024
  • 9th class science group Math Ch no .1 Exercise no 1.5 Question no .6 part 1 complete......
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    Determinant:
    The determinant is a scalar value that can be computed from the elements of a square matrix. It provides a measure of the matrix's scaling effect on a vector, and it's essential in linear algebra and various mathematical applications.
    - A non-zero determinant indicates that the matrix is invertible.
    - A zero determinant indicates that the matrix is singular (non-invertible).
    Multiplicative Inverse:
    The multiplicative inverse, also known as the reciprocal, is a value that, when multiplied by a given number, results in 1.
    - For a number x, its multiplicative inverse is denoted as x^-1 or 1/x.
    - For a matrix A, its multiplicative inverse is denoted as A^-1, which satisfies the property: A × A^-1 = I (identity matrix).
    Note that not all matrices have a multiplicative inverse. Only square matrices with non-zero determinants have an inverse.

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