 
			 
			MCQOPTIONS
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				| 1. | Let the ith equation of a system of n equations be aiΦi=bi Φi+1+ciΦi-1+di. Which of these is correct? | 
| A. | cN=0; bN=0 | 
| B. | cN=0; b1=0 | 
| C. | c1=0; bN=0 | 
| D. | c1=0; b1=0 | 
| Answer» D. c1=0; b1=0 | |