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Mathematics · Matrices and determinants

MathematicsMatrices and determinantsJAMB

A has rows (1, 2) and (3, 4). Find A².

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Answer: C. rows (7, 10) and (15, 22)

Row 1: (1 + 6, 2 + 8); row 2: (3 + 12, 6 + 16).

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