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\pard ECE 408 Computer Assignment #3\tab \tab Dr. James S. Kang, Cal 
Poly Pomona.\par Difference Equation\tab \tab \tab 408_ca3.mcd\par 
Solve the following difference equations.\par (a) y(k) + (5/6) y(k-1) 
+ 1/6 y(k-2) = 0, y(-1) = 1, y(-2) = -1\par (b) y(k) + y(k-1) + 1/4 
y(k-2) = 0, y(-1) = 1, y(-2) = -1\par \pard (c) y(k) + y(k-1) + 13/36 
y(k-2) = 0, y(-1) = 1, y(-2) = -1\par \pard (d) y(k) + (5/6) y(k-1) + 
1/6 y(k-2) = u(k), y(-1) = 1, y(-2) = 1\par \pard (e) y(k) + y(k-1) + 
1/4 y(k-2) = (1/2){\up k}, y(-1) = 1, y(-2) = 1\par \pard (f) y(k) + 
y(k-1) + 13/36 y(k-2) = cos({\f1 p}k/4) u(k), y(-1) = 1, y(-2) = 1}
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