define inverse of matrix
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In linear algebra, an n-by-n square matrix A is called invertible, if there exists an n-by-n square matrix B such that where Iₙ denotes the n-by-n identity matrix and the multiplication used is ordinary matrix multiplication
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In linear algebra, an n-by-n square matrix A is called invertible, if there exists an n-by-n square matrix B such that where Iₙ denotes the n-by-n identity matrix and the multiplication used is ordinary matrix multiplication.
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