Question 1004620
{{{A=(matrix(3,3,
1,1,-1,
2,-3,-1,
1,2,2))}}}
{{{abs(A)=-16}}}
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.
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{{{A[x]=(matrix(3,3,
-4,1,-1,
5,-3,-1,
3,2,2))}}}
{{{abs(A[x])=-16}}}
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.
.
{{{A[y]=(matrix(3,3,
1,-4,-1,
2,5,-1,
1,3,2))}}}
{{{abs(A[y])=32}}}
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.
.
{{{A[z]=(matrix(3,3,
1,1,-4,
2,-3,5,
1,2,3))}}}
{{{abs(A[z])=-48}}}
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.
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{{{x=abs(A[x])/abs(A)=(-16)/(-16)=1}}}
{{{y=abs(A[y])/abs(A)=(32)/(-16)=-2}}}
{{{z=abs(A[z])/abs(A)=(-48)/(-16)=3}}}