My Math Forum Show that there exists a matrix with certain entries and det

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 January 10th, 2013, 09:58 AM #1 Newbie   Joined: Dec 2012 Posts: 23 Thanks: 0 Show that there exists a matrix with certain entries and det Hi. Here is a problem I found in my algebra book and I don't know how to solve it. Could you please help me? Here it is: Show that there exists a matrix $A \in M(n,n;R)$, such that $m_{ij} \in \{-1,0,1\}$ and $det M=1995$. My problem is that I don't know how to prove that there exist a certain matrix.

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