IDZ Ryabushko 1.1 Variant 28
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No.1. For this determinant, find the minors and algebraic complements. Calculate the determinant: a) by expanding it on the elements i of the line; b) expanding it into the elements of the j column; c) having previously obtained zeros in the i line. i = 1; j = 2.
No.2. Two matrices A and B are given. Find: a) AB; b) BA; c) AA; d) AA⁻¹; d) А⁻¹А
No.2. Two matrices A and B are given. Find: a) AB; b) BA; c) AA; d) AA⁻¹; d) А⁻¹А
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- Content description 56,74 kB
- Added to the site 30.10.2023
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IDZ Ryabushko 1.1 Variant 28
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Cumulative discount
| 200 $ | the discount is 40% |
| 150 $ | the discount is 30% |
| 100 $ | the discount is 25% |
| 70 $ | the discount is 20% |
| 40 $ | the discount is 15% |
| 20 $ | the discount is 10% |
| 10 $ | the discount is 7% |
| 5 $ | the discount is 3% |
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Amount of purchases from the seller: $
Your discount: %
Cumulative discount
| 200 $ | the discount is 40% |
| 150 $ | the discount is 30% |
| 100 $ | the discount is 25% |
| 70 $ | the discount is 20% |
| 40 $ | the discount is 15% |
| 20 $ | the discount is 10% |
| 10 $ | the discount is 7% |
| 5 $ | the discount is 3% |
Check your discount
Amount of purchases from the seller: $
Your discount: %