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Math Help - row operations and determinants

  1. #1
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    row 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
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  2. #2
    Like a stone-audioslave ADARSH's Avatar
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    Quote Originally Posted by b0mb3rz View Post
    ......... 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
    Answered here
    http://www.mathhelpforum.com/math-he...-unknowns.html
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