Question

[ 3-3] 0-71 Find the following matrices where A = -5 -3 and B = 3 - 8 | -3 -1 ] [5 -9] b. A-B c. 9A d. -3A-3B a. A +B a. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. A+B= (Simplify your answers.) O B. This matrix operation is not possible. b. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. A-B= (Simplify your answers.) OB. This matrix operation is not possible. c. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. 9A = (Simplify your answers.) O B. This matrix operation is not possible. d. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. - 3A - 3B = (Simplify your answers.) OB. This matrix operation is not possible.

Answer 1

Solution . 13- 31 A= a5 - 1 and B=1, a) A+B The Sum of two Matrices is Computed by adding corresponding elements of the matoicea. 13-31 o -7 l Thon, ( -3 -1) ( -9 + 3+0 -5+3 | -3+5 -3+(-7) l -3 H-8) a +(-9) 13 1-2 1 2 -10 l -11 -10 + + Hence A+B = | -2 -11

ๆ ” ” ** 3 - 1 -5 - ( 3 S - 3 - (-1) \ -3 - (-9) - - (-1) | / 3 | 8 5 Hence - A - 8 / 3 -3 | 6 ๆ ! | 3 4 5 - 3 -4 - [ 3 - 3 GX 1 -5 ) - 3 | ? 21 - 4S 1-27 - 2 1 -2) -3A - 3 8 G firot -BA > -3x ما من ! D ) - 3 8 2 - 3 x 6 -7 1 3 -8 | 6 ม 21 (4) 29 | ) A |-S Us |-9 9 \ ๆ 2} \ -38 - 30 IS 9 |X | 29 3 | 11S 21 ) ( ๆ 9 \น \ 4+2ฯ |-9 30 7-9 + 0 เS +(4) 9 + (MS) | 6 33 3 + 47 ) - 3p | 30