mitchellmaria85 mitchellmaria85 03-02-2017 Mathematics contestada What is the value of d21+ d22+d23 given the matrix below? D+ 1 0 1 9 -3 2 -3 9 -7 = 8 -1 0 -20 2 4 11 15 3 A. 2 B. 8 C. 26 D. 28
