Question 705966
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<pre>
 0        	7        	0        	1        
 5          -5        	6              -1        
-5        	1        	3        	6        

Swap row 1 and row 2
			
5        	-5        	6        	-1        
0        	7        	0        	1        
-5        	1        	3        	6        

R2/7 to R2
			
5        	-5        	6        	-1        
0        	1        	0        	   1/7  
-5        	1        	3        	6        
	
R1 + R3 to R3
		
5        	-5        	6        	-1        
0        	1        	0        	   1/7  
0        	-4        	9        	5        
		
R1/5 to R1
	
1        	-1        	1   1/5  	-   1/5  
0        	1        	0        	   1/7  
0        	-4        	9        	5        
	
R1 + R2 to R1
		
1        	0        	1   1/5  	-   2/35 
0        	1        	0        	   1/7  
0        	-4        	9        	5        
		
4R2 + R3 to R3
	
1        	0        	1   1/5  	-   2/35 
0        	1        	0        	   1/7  
0        	0        	9        	5   4/7  
		
R3/9 to R3
	
1        	0        	1   1/5  	-   2/35 
0        	1        	0        	   1/7  
0        	0        	1        	  13/21 
	
-6/5*R3 + R1 to R1
		
1        	0        	0        	-   4/5  
0        	1        	0        	   1/7  
0        	0        	1        	  13/21 

</pre>

John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
<font face="Math1" size="+2">Egw to Beta kai to Sigma</font>
My calculator said it, I believe it, that settles it
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