Further MathematicsMatrices and determinantsWAEC
A has rows (1, 2) and (0, 1); B has rows (3, 0) and (1, 2). Find AB.
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Answer: D. rows (5, 4) and (1, 2)
Row 1: (1×3 + 2×1, 1×0 + 2×2) = (5, 4); row 2: (0×3 + 1×1, 0×0 + 1×2) = (1, 2).
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.