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![[Post New]](/templates/default/images/icon_minipost_new.gif) 18 Jun 2007 13:22:53 IST
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Or u can use the formula for finding derivative of a determinant...
first take derivative of 1st row and write the other two rows as it is...
then take derivative of 2nd row and write other two as it is(in original det)
then take der. of the third row and write other two as it is...
now add the three determinants obtained....
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