Question 917672
{{{A=(matrix(2,2,3,4,9,-2))}}}
{{{abs(A)=-42}}}
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{{{A[x]=(matrix(2,2,-12,4,6,-2))}}}
{{{abs(A[x])=0}}}
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{{{A[y]=(matrix(2,2,3,-12,9,6))}}}
{{{abs(A[y])=126}}}
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{{{x=abs(A[x])/abs(A)=0/(-42)=0}}}
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{{{y=abs(A[y])/abs(A)=126/(-42)=-3}}}