Question 330485
[A][x]=[b]
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[A]={{{(matrix(3,3,1,10,1,5,1,4,1,2,-3))}}}
[b]={{{(matrix(3,1,52,15,12))}}}
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det[A]={{{188}}}
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[A]inv={{{-(1/188)*(matrix(3,3,-11,32,39,19,-4,1,9,8,-49))}}}
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[x]=[A]inv[b]={{{(matrix(3,1,2,5,0))}}}