EXERCISE #6: Calculate the Inverse of the matrix: $C = \begin{pmatrix} 2 & 1 \\ 1 & 3 \end{pmatrix}$
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The determinant of a 2x2 matrix is calculated as follows: Determinant(C) = (a*d) - (b*c) For matrix C = ([2,1],[1,3]), the determinant is: Determinant(C) = (2*3) - (1*1) = 6 - 1 = 5 Show more…
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