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Linear Algebra

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Find the Pivot Columns

LINALG-34TGKZ

What are the pivot columns of the matrix below?

$$\left [ \matrix { 2 & 5 & 8 & 11 & 16\cr 1 & 3 & 5 & 7 & 11\cr 1 & 2 & 3 & 4 & 5\cr } \right ]$$

A

There are no pivots.

B

Column 1 is the only pivot column.

C

Column 1 and column 2 are the only pivot columns.

D

Column 1, column 2, and column 3 are the only pivot columns.

E

All the columns are pivot columns.

F

None of the above.