Perform the indicated operations and simplify.
Let As [1í â a. [ Let A = [ 3-4 O a. ã32 19 40 O b, 68 3 31 R-:-5] 1 l-i-5 7 -9 0 3 -5 1 -1 6 2 21 · B- [ 5-2 81 , and C= | .and c- , and C = Find AB BC. 2 5 -3 | 1 . 15 31 -37 O b. [68 3 31 O c. ã-10-19 12 O d. [32 8-2 -5 15 31 -25 5 -23 -37
Show transcribed image text Let As [1í â a. [ Let A = [ 3-4 O a. ã32 19 40 O b, 68 3 31 R-:-5] 1 l-i-5 7 -9 0 3 -5 1 -1 6 2 21 · B- [ 5-2 81 , and C= | .and c- , and C = Find AB BC. 2 5 -3 | 1 . 15 31 -37 O b. [68 3 31 O c. ã-10-19 12 O d. [32 8-2 -5 15 31 -25 5 -23 -37