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🔍 PREVIEW MODE – Only you can see this. Back to Admin EduTek Lesson Notes Shop Print PDF Home › SS › Mathematics › Matrices and Determinants SS 2 Matrices and Determinants Mathematics SS 2 First Term Introduction to Matrices A matrix is a rectangular array of numbers, symbols, or expressions arranged in rows and columns. It is denoted by capital letters (e.g., A, B, C) and enclosed in brackets: A = [ 3 5 2 ] [ 1 4 7 ] This is a 2 × 3 matrix (2 rows, 3 columns). Order [Preview only]