I have a question about logarithmic differentiation, especially concerning the absolute value involved. For example, if we have the function ##y = 2^x \sin x##, the domain is all real numbers. So what happens when we take ##\ln## of both sides of the equation? The antilogarithm must be greater than ##0##, but the domain of the function is all real numbers. How do we account for this? I know the answer has something to do with absolute value, but I am not sure how...(adsbygoogle = window.adsbygoogle || []).push({});

**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!

# Question about logarithmic differentiation

Loading...

Similar Threads - Question logarithmic differentiation | Date |
---|---|

B Question about a limit definition | Feb 27, 2018 |

Quick question about exponential and logarithms | May 8, 2013 |

A quick question on logarithms | Sep 6, 2007 |

Logarithm question | Feb 16, 2005 |

Precalculus logarithm question | Jul 30, 2004 |

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