I guess the rank of the matrix is 2.But I fail to prove it.Can you help me? Thank you.

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- Feb 20th 2010, 11:48 PMtianyeWhat's the rank of the matrix?
I guess the rank of the matrix is 2.But I fail to prove it.Can you help me? Thank you.

- Feb 21st 2010, 03:11 AMtonio
- Feb 21st 2010, 07:23 PMmath2009
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