Hi!(adsbygoogle = window.adsbygoogle || []).push({});

I need to show that x^4+1 is reducible modulo p for all prime p.

I was thinking to show that it has to have a root in some odd extension of Zp, which would force that root to be in Zp. Am I on the right track?

**Physics Forums - The Fusion of Science and Community**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Show reducibility

Loading...

Similar Threads - Show reducibility | Date |
---|---|

I Index (killing form ?) in a reducible representation | Jul 25, 2017 |

I For groups, showing that a subset is closed under operation | Feb 20, 2017 |

I A p-primary group G that is not divisible -- Show that <y> is pure in G. | Feb 9, 2017 |

I Show that you can find d and b s.t pd-bq=1 , p and q are coprime- GCF | Dec 17, 2016 |

I Show that the diagonals are perpendicular using vectors | Aug 28, 2016 |

**Physics Forums - The Fusion of Science and Community**