Question 893243
{{{A=(matrix(2,2,3,3,3,-4))}}}
{{{abs(A)=-21}}}
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{{{A[x]=(matrix(2,2,5,3,2,-4))}}}
{{{abs(A[x])=-26}}}
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{{{A[y]=(matrix(2,2,3,5,3,2))}}}
{{{abs(A[y])=-9}}}
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{{{x=abs(A[x])/abs(A)=-26/-21}}}
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{{{y=abs(A[y])/abs(A)=(-9)/-21=3/7}}}
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