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Subject:  Linear Algebra

Determinant of [[3, 1], [4, 2]]

Apply the 2×2 determinant formula det = ad − bc.

Answer det = 2

Solution

  1. Matrix [[3, 1], [4, 2]]
  2. 2×2 formula det = ad − bc = 3·2 − 1·4
  3. Determinant det = 2

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