The general equation for PDMA is aiΦi+biΦi+2+ci Φi+1+diΦi-1+eiΦi – McqOptions

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1.	The general equation for PDMA is aiΦi+biΦi+2+ci Φi+1+diΦi-1+eiΦi-2=fi. Which of the following is incorrect? (Note: ‘N’ is the number of unknowns).
A.	e2=0
B.	cN-1=0
C.	e1=0
D.	cN=0
Answer» C. e1=0

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