Find the inverse by elementary transformations:A=-112123311 - Maths - Matrices

Question

F i n d   t h e   i n v e r s e   b y   e l e m
e n t a r y   t r a n s f o r m a t i o n s : A = - 1 1 2 1 2
3 3 1 1

Neha Sethi · Accepted Answer

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F i n d t h e i n v e r s e b y e l e m e n t a r y t r a n s f o r m a t i o n s : A = - 1 1 2 1 2 3 3 1 1