The Z-transform of x[n] = αnu[n] is;

1.	The Z-transform of x[n] = αnu[n] is;
A.	\( \frac{-z}{{z - α}},\;\left\| z \right\| > \left\| α \right\|\)
B.	\( \frac{α}{{z - α}},\;\left\| z \right\| > \left\| α \right\|\)
C.	\( \frac{z}{{z - α}},\;\left\| z \right\| > \left\| α \right\|\)
D.	\( \frac{-α}{{z - α}},\;\left\| z \right\| > \left\| α \right\|\)
Answer» D. \( \frac{-α}{{z - α}},\;\left\| z \right\| > \left\| α \right\|\)

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