Math, asked by shreedhanyaa7, 6 months ago

lashow that
without expanding the determinants,
(B) = 2/Al where .
B
btc
C Cta
a + b
С+ а a
a+b
btc
lath
btc
cta
A =
b
b c a
C a b Б

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Answered by shiwkishor

2

Step-by-step explanation:

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