Question

EXERCISE 4.2
(sing the property of determinants and without expanding in Exercises 1 to 7, prove
a xtal
1 y by+6=0
12 cztol
2
la-b b-c c-al
2. 16-c c-a a-b=0
c-a a-b b-c
11 be alb+c)
ca b(c + a) = 0
1 ab c(a+b)
12 7 65
3. 3 8 75=0
5 9 86
1
X
16+c gtr y+2) la p
5. cta rep 2+x=216 9 y
atb ptq xty
Z​

Answer 1

Answer:

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Step-by-step explanation: