Matrices

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Question : 12 of 36

Marks: +1, -0

Find Inverse of

f

[\table 1 , -2 , 3 ; 2 , 1 , -3 ; -1 , 1 , 2]

$\;{1}/{16}[\table 5 , -1 , 3 ; 7 , 5 , 1 ; -1 , 1 , 2]$
$\;{1}/{5}[\table -7 , 11 , 5 ; -8 , 14 , 5 ; -6 , 13 , 5]$
$\;{1}/{5}[\table -7 , -1 , 3 ; 2 , 1 , -3 ; -1 , 1 , 2]$
$\;{1}/{16}[\table 5 , 7 , 3 ; -1 , 5 , 9 ; 3 , 1 , 5]$

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