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A lLinear algebra question help!

  1. Mar 25, 2009 #1
    1. The problem statement, all variables and given/known data
    Let A be a 3 x 3 matrix with determinant 14. Then detadj(A^T) =___, det (adj)(A^-1) =___ and det((adj)(7A)) = ___



    2. Relevant equations

    Thank you! If someone could show me the steps that would be swell!

    3. The attempt at a solution
     
  2. jcsd
  3. Mar 25, 2009 #2

    Mark44

    Staff: Mentor

    Show us what you have done. We're not going to fill in the blanks for you.
     
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