As pointed out by Gerry Myerson in the answer to this question, you cannot even define zeta for negative real parts without using the functional equation, so no.
2 of 2
replaced http://math.stackexchange.com/ with https://math.stackexchange.com/
Community Bot
- 1
- 2
- 3
Igor Rivin
- 96.4k
- 11
- 153
- 366