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 March 28th, 2017, 03:52 PM #1 Member   Joined: Nov 2016 From: Kansas Posts: 73 Thanks: 1 Characteristic Polynomial I have been given the characteristic polynomial p(x)=x(2-x)(1-x) of Matrix A. I have been given two diagonal entries of A that are -3 and 5. I am now supposed to calculate the remaining diagonal entries. How to do this?
 March 28th, 2017, 05:32 PM #2 Member   Joined: Jan 2016 From: Athens, OH Posts: 89 Thanks: 47 For any n by n square matrix A, the trace of A is the negative of the coefficient of $x^{n-1}$ of the characteristic polynomial. I hope it is now clear how to solve your problem Thanks from topsquark and ZMD

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