Mathematics · Matrices and Determinants
If A = 1 2 -22 -1 2 -1 1 -2, then A + 2A-1 =
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- 11 4 -14 -5 -11 -5 -7
- 20 2 12 -4 -32 -6 -5
- 30 2 22 -4 -62 -3 -5
- 41 4 04 -5 -40 -2 -7✓
Correct answer
1 4 04 -5 -40 -2 -7
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