For which prime $p$, the polynomial $x^4 + x + 6$ have a root of multiplicity $> 1$ over a field of characteristic $p$?
Options:
- 2
- 3
- 5
- 7
For which prime $p$, the polynomial $x^4 + x + 6$ have a root of multiplicity $> 1$ over a field of characteristic $p$?
Options: