What is the homogenous solution of the system described by the first o – McqOptions

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1.	What is the homogenous solution of the system described by the first order difference equation y(n)+ay(n-1)=x(n)?
A.	c(a)<sup>n</sup>(where c is a constant)
B.	c(a)<sup>-n</sup>
C.	c(-a)<sup>n</sup>
D.	c(-a)<sup>-n</sup>
Answer» D. c(-a)<sup>-n</sup>

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