Ir9.50Given the following set of simultaneous equations, whatterminant I D I of the system?TtIIt,ttTFTItItIIt0+(l)The values of the unknowns, x and y in the set of simultaneous equa-tions in Question...

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Ir9.50Given the following set of simultaneous equations, whatterminant I D I of the system?TtIIt,ttTFTItItIIt0+(l)The values of the unknowns, x and y in the set of simultaneous equa-tions in Question l9 are(l) x = 2, y - -l (3) x = -2,t : -2(2) x - -l,y : 2 -t4) x : 2, | : 3(5) None, since the determinant is equal to zero.Which one of the following fourth-crder determinants is noi equiv-alent to the other four?is the de-x-2x*-2xI -l -l 22 4 -3 60 3 -4 -l-204-3'r -r 2 -I24600 3 -t -2-2033y- z4y-323y-42*42t'-(:l(4)ll): 2:62w:-l3w: -3I20-226-laJ-l -l -l4-303-4*2043-l -l -l4 -3 03-4-204320.21.(2)(l)l.ql:(2)tAt:8975-l 26 -r264-3 84 -10-24 308 7 -l 69 5 2-r26-3 4-244 8 -10 30
(3)l.dl6l)7 ta-l 0606-3A+1A-L--12529A8-103051(4)I.q I : Gt)-24 30-3 84 _t06467-t822. Which of the. equal to zero?Question 21.)8 e -g-'7 5 _3laL-3 -6 _12determinants in(Choose your.,)4-5IJQuestion 2l would haveanswer from the choices(5)tAl:(2)(2)a solutiongiven for23' Find the varue of the foilowing fifth-order determinant:I.ql : z010002 -2 -4* g "51t/ -r _l 5 5-l 3 0 :10 _t2-2 4 3 _t4 _14(t) -80 (3) 80(2) -120 (4) 12024' Find the varue of the forowing fifth-order determinant:35 _55 90 0 4014 _22 27 0 16-7 _1t _9 18 _82t 33 018 24-28 33 0 6_32(5) -160 (6) 160t.dl(cont'd)


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I T t r9. 50 Given the following set of simultaneous equations, what is the de- terminant D of the system? I I I y- z ll): 2 x- :6 2x* 4y-32 3y-42 2w:-l I -2x -3 *42 + 3w: -l -l -l -l -l (l) I 2 I t t'-(:l -3 2 4 6 2 4-30 ,t -4 -l 0 3 0 3-4*2 -204-3' -2 043 t -r -I -l -l -l (2) (4) r 2 2 -3 2460 6 4 0 T -t -2 -l 0 3 3-4-2 a -2033 J 043 F values y 20.The of the unknowns, x and in the set of simultaneous equa- T tions in l9 are Question - -l -2,t = = : -2 (l) y (3) x 2, x - -l,y : (2) : : x 2 x 2, 3 -t4) I | (5) None, since the is determinant equal to zero. Which 21. one of the following fourth-crder t determinants is noi equiv- alent to the other four? I (l) 89 64 -3 75 8 l.ql: t -l -10 2 4 -r2 -24 6 30 I -l (2) 8 7 6 I 9 5 2-r2 tAt: 6-3 4-24 t -10 4 8 30 0(3) A 6l) 6 51 7 ta -3 8 l.dl A -l 0 -10 + 1A -L- 60 30 (4) -12 -24 6 30 -3 7 5 8 : I.q I Gt) -t _t0 2 4 8 9 64 (5) .,) 8 e -g-' 7 _3 5 4 (2)(2) tAl: la L- -5 -6 3 _12 IJ 22. Which of the determinants in 2l Question would have a solution . equal to zero? (Choose your answer from the choices given for 21.) Question 23' Find the varue of the foilowing fifth-order determinant: 01000 -2 2 -4* g "5 1t : z -r I.ql / _l 5 5 -l 3 :10 0 _t2 -2 _t4 4 _14 3 -80 (t) (3) 80 -160 (5) (6) 160 -120 (2) (4) 120 24' Find the varue of the forowing fifth-order determinant: _55 35 90 0 40 _22 14 27 0 16 t.dl -7 _1t _9 _8 18 2t 33 018 24 -28 33 0 6_32 (cont'd)-jr6 - (t) (3) (5) 52 Zero 48 (7) 16 -78 -48 -8 (2) (4) (6) (8) None of the above are correct. 25.Find the value of the followine fourth-order determinant: -j4 -2+j5 jI 2 -jr -2 j4 s-js lel: -t jI j3 6-j7 j2 j2 2 t4+j7 (Chooseyour answer from the choices for 24.) Question 26.Find thevalue of the foliowine fourth-order determinant: ' 7a3 3a2 2a 7 +2laa I2 l5a 3 36a = l.ll 6a 5a2 a 18a2 +3a ^t 4a2 + d'- 5a3 + 4a a2 l2a3 + 5A- -5 -5a'? - (l) 105a2 (3) (5)...



Answered Same DayDec 24, 2021

Answer To: Ir9.50Given the following set of simultaneous equations, whatterminant I D I of the...

David answered on Dec 24 2021
123 Votes
Solution 20:
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Hence x=2




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Hence y=-1
Answer: option A
Solution 21:
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