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Nov24-11, 12:24 AM
P: 2,568
Quote Quote by vela View Post

I think you made a mistake somewhere (or I did). I didn't get all 0s on the last row.
You didn't, I did it with Maple and I got all pivots except last column.

Now @OP, what does this mean? Having no non-pivot columns? How does this relate to Span?