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английский) 1:
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Conveniently calculate the determinant had it to the triangular look. In each case the product of the elements of the main diagonal. In practice to calculate the determinant of higher orders are used not definitions, and other formulas, which are based on new concepts. Ozn. Mìnorom (Mij)-element aij matrix n-the order is called the determinant of the matrix (n-1) th order you drawing and th row and j-th column.
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