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![[Post New]](/templates/default/images/icon_minipost_new.gif) 10 May 2008 09:52:33 IST
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rank in echelon form is the no. of non zero rows in a matrix in echelon form....
and also the det whose value is not zero
eg for a 3X3 matrix is det is ) then try any 2X2 matrix from it and then get the det+0 the value of tht matrix is the rank...
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