-2 [2 A = 7 3 1] [9 1 and B =5 L8 4 7 -2 1. 1 Find AB. [41 18 7 15 %3D 179 [-41 AB =| 91 -31 -18 -15 7 В. -15 79 [41 C. AB = |91 -31 18 -15 -71 -15 -5 [79 31 18 [-41 D. AB = |-91 15. -7 15 79 31 -15

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