April 14th, 2018, 01:59 PM  #1 
Newbie Joined: Mar 2018 From: Split, Croatia Posts: 13 Thanks: 0  Property of adjoint
How to prove this property of adjoint? I checked it on few examples, but I don't know how to prove it rigorously.

April 14th, 2018, 08:23 PM  #2 
Member Joined: Jan 2016 From: Athens, OH Posts: 92 Thanks: 47 
Don't you know that $\det(kA)=k^n\det(A)$ for any $n\times n$ matrix A? A proof of your problem should follow immediately.


Tags 
adjoint, linear algebra, matrix, property 
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