http://en.wikipedia.org/wiki/Principal_branch

http://en.wikipedia.org/wiki/Exponentiation#Failure_of_power_and_logarithm_identities

1 | initial version |

2 | retagged |

3 | retagged |

4 | retagged |

Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.