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IDZ 1.1 - Option 19. Decisions Ryabushko AP
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Uploaded: 12.06.2020
Content: 19v-IDZ1.1.doc 103 kB
Refunds: 0
Uploaded: 12.06.2020
Content: 19v-IDZ1.1.doc 103 kB
Product description
1. For a given determinant Δ find minors and cofactors of the elements ai2, a3j. Calculate the determinant Δ: a) expanding it to the elements i-th row; b) expanding it to elements of the j-th column; c) obtaining a pre-zeros in the i-th row.
2. Given two matrices A and B. Find: a) AB; b) BA; a) A-1; g) AA-1; d) A-1A
Additional information
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
For the convenience of viewing IDZ solutions on smartphones, an additional file in PDF format is sent
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