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Question 4 -1 (a) 114- find C so that 4 =BCB- [8 marks) (6) ITA = }; and B = (-2 21. find matrices X such that 2A + x = 8 (5
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solutions Given, * (-32).(13] ] BC Bt AB: BC BC 13) (B 8: 2) AB: Bc I ВС (BTB) с SAB = BAB Here, st 3-2 را (-:?):( ] trom• (-+)-(: :) 13 31 c ) Given , x+y=a Y+ 2q = b 4.4-33=( matrix form ii) in - 1 0 (118) 1 2 3 A x : В tere, TALE 2 는 (-3+2)-1(- O R3³ 283 o 2 -3 o - 2 OO - R2 R3 +3R3 0 - 2 O - 4 6 4 oo ! н R2 1/R2 e 2 -3 -2 - R, RR2 -1 2 0 0 2 -3 -2 O 1 2 O -1 3 2 Th

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