I understand that(adsbygoogle = window.adsbygoogle || []).push({});

a^{(b/c)}

=

[itex]\sqrt[c]{}(a^b)[/itex]

so this suggests that

(-1)^{(2/3)}

[itex]\sqrt[3]{}((-1)^2)[/itex] = -1 right?

Wolfram alpha and my calculator disagree.

**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!

# Seemingly Simple Algebra (Exponent Rules)

Loading...

Similar Threads - Seemingly Simple Algebra | Date |
---|---|

A seemingly simple linear algebra equation that eludes me | Nov 14, 2015 |

Simple math rules seem contradictory | Dec 2, 2007 |

A Simple Problem that seems to elude me | Feb 2, 2005 |

Seemingly Simple | Mar 16, 2004 |

Help with a Dice problem (need an expert although the problem seems simple) | Dec 16, 2003 |

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