Let 2 3 0 A = 0 -1 4 0 5 Assume that B, C and D are 3 × 3 matrices such that B is obtained from A , C is obtained from B and D is obtained from C via elementary row operations as follows: A RỊ + R2 B 2R¡ → R1 C 4R3+R2 → R2 D, where R; denotes the i-th row of a matrix. Find det(D). Select one: 20 40 10 -20 -10

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