department of mathematics at columbia university - welcomebayer/linearalgebra/s05/midterm1a... ·...
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a = 881, 0, x, 0, 0<,80, 1, 0, x, 0<,80, 0, 1, 0, x<,8x, 0, 0, 1, 0<,80, x, 0, 0, 1<<;
a êê MatrixFormDet@aDi
k
jjjjjjjjjjjjjjjjjj
1 0 x 0 00 1 0 x 00 0 1 0 xx 0 0 1 00 x 0 0 1
y
{
zzzzzzzzzzzzzzzzzz
1 + x5
a = 881, 0, x, 0, 0, 0<,80, 1, 0, x, 0, 0<,80, 0, 1, 0, x, 0<,80, 0, 0, 1, 0, x<,8x, 0, 0, 0, 1, 0<,80, x, 0, 0, 0, 1<<;
a êê MatrixFormDet@aDi
k
jjjjjjjjjjjjjjjjjjjjjjj
1 0 x 0 0 00 1 0 x 0 00 0 1 0 x 00 0 0 1 0 xx 0 0 0 1 00 x 0 0 0 1
y
{
zzzzzzzzzzzzzzzzzzzzzzz
1 + 2 x3 + x6
problem6.nb 1
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