Reshebnik Ryabushko. Solved IDZ 1.1, Option 23
Replenishment date: 12.06.2020
Content: 23v-IDZ1.1.rar (34.29 KB)
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Description
1. For a given determinant Δ, find the minors and algebraic complements of the elements ai2, a3j. Calculate the determinant?: A) by expanding it by the elements of the i-th row; b) expanding it by the elements of the j-th column; c) having previously received zeros in the i-th line.
2. Given two matrices A and B. Find: a) AB; b) BA; c) A-1; d) AA-1; e) A-1A
2. Given two matrices A and B. Find: a) AB; b) BA; c) A-1; d) AA-1; e) A-1A
Additional Information
The solution is executed in Microsoft Word 2003. The document is archived in the WinRar program.