......... a^2 a 1

let A = b^2 b 1

......... c^2 c 1, a 3 x 3 matrix

use row operations to show that detA=(b-c)(c-a)(b-c)

thanks

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- April 22nd 2009, 10:21 PMb0mb3rzrow operations and determinants
......... a^2 a 1

let A = b^2 b 1

......... c^2 c 1, a 3 x 3 matrix

use row operations to show that detA=(b-c)(c-a)(b-c)

thanks - April 22nd 2009, 10:35 PMADARSH
Answered here

http://www.mathhelpforum.com/math-he...-unknowns.html