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I think the answer is exactly same as part b answer except that the ROC is | I think the answer is exactly same as part b answer except that the ROC is | ||
| − | <math> z < \frac{1}{3} , z > 1 </math>--[[User:Kim415|Kim415]] 00:33, 24 February 2009 (UTC) | + | <math> |z| < \frac{1}{3} , |z| > 1 </math>--[[User:Kim415|Kim415]] 00:33, 24 February 2009 (UTC) |
I agree with PJcannon and Kim415, since there is no union between the ROCs, then it's null such that there is no ROC for the signal --[[User:Mlo|Mlo]] 15:18, 24 February 2009 (UTC) | I agree with PJcannon and Kim415, since there is no union between the ROCs, then it's null such that there is no ROC for the signal --[[User:Mlo|Mlo]] 15:18, 24 February 2009 (UTC) | ||
Revision as of 12:12, 24 February 2009
For part c it seems like the ZT doesn't exist. Anybody get the same thing or am I doing it wrong? -Pjcannon 23:11, 23 February 2009 (UTC)
I think the answer is exactly same as part b answer except that the ROC is $ |z| < \frac{1}{3} , |z| > 1 $--Kim415 00:33, 24 February 2009 (UTC)
I agree with PJcannon and Kim415, since there is no union between the ROCs, then it's null such that there is no ROC for the signal --Mlo 15:18, 24 February 2009 (UTC)
