| Line 5: | Line 5: | ||
2. | 2. | ||
| − | 3. <math>\sum_{n=0}^{ | + | 3. <math>\sum_{n=0}^{3}x[n]=3</math> |
| − | 4. <math>\sum_{n=0}^{ | + | 4. <math>\sum_{n=0}^{3}(-1)^nx[n]=5</math> |
Revision as of 08:15, 26 September 2008
Informations
1. $ N = 2\, $
2.
3. $ \sum_{n=0}^{3}x[n]=3 $
4. $ \sum_{n=0}^{3}(-1)^nx[n]=5 $
