Question

If A = 3 -1 1
-15 6 -5
5 -2 2

and B = 1 2 -2
-1 3 0
0 -2 1
,find (AB)^-1​

Answer 1

Answer:

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Step-by-step explanation:

given , A= -241

and , B= -1311

so (AB)^-1= 1/{-241(-1311)}

= 1/(315951)