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Sticky Note
If B = [ 4 2; 6 5], Find |B| = _____?
  1. 12
  2. 8
  3. 7
  4. None of these
Explanation

Matrix B = [4 2; 6 5] (assuming it's a 2x2 matrix)

The determinant |B| = (4 × 5) - (2 × 6) = 20 - 12 = 8

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