SOLUTION: suppose {{{A}}} is an n*n matrix if det A =a (a≠0) find the value of the determinant of {{{adj(n>=2)}}}

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Question 1105003: suppose A is an n*n matrix if det A =a (a≠0) find the value of the determinant of adj%28n%3E=2%29
Answer by ikleyn(52808) About Me  (Show Source):
You can put this solution on YOUR website!
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det (adj(A)) = %28det%28A%29%29%5E%28n-1%29.


See this Wikipedia article https://en.wikipedia.org/wiki/Adjugate_matrix