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Project: sagenb.org published worksheets
Views: 168738Image: ubuntu2004
# 17
[ 1 -3]
[-3 5]
[b1 b2]
[b3 b4]
[ 1 0 -3 0 -3]
[ -3 0 1 0 1]
[ 0 1 0 -3 -11]
[ 0 -3 0 5 17]
[1 0 0 0 0]
[0 1 0 0 1]
[0 0 1 0 1]
[0 0 0 1 4]