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November 29th, 2015, 01:30 PM  #1 
Newbie Joined: Nov 2015 From: japan Posts: 15 Thanks: 0  Calculate determinant
Hello, When i used green ellipse for calculate determinant, i have difference answer till when i used red ellipse. Why ? 
November 29th, 2015, 02:41 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,433 Thanks: 561 
I got 73 both ways. Check your arithmetic or give details.

November 29th, 2015, 02:44 PM  #3 
Newbie Joined: Nov 2015 From: japan Posts: 15 Thanks: 0  

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