Linear algebra symbols

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Across
  1. 3. →
  2. 4. A⁻¹
  3. 5. λ
  4. 7. T
  5. 8. product ·
  6. 9. product ×
Down
  1. 1. |A|
  2. 2. [ ]
  3. 4. matrix I
  4. 6. matrix 0