Question 330501
[A]={{{(matrix(3,3,2,-1,3,1,-2,1,1,-5,2))}}}
[b]={{{(matrix(3,1,-4,-1,-3))}}}
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det[A]={{{-6}}}
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[A]inv={{{(1/6)*(matrix(3,3,1,-13,5,-1,1,1,-3,9,-3))}}}
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[x]=[A]inv[b]={{{(matrix(3,1,16/3,-1/3,-5))}}}