Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Really stuck on an easy questionintegral of 1/(2^x)

  1. Aug 21, 2013 #1
    Hi there!
    I am stuck on how to work out the integral of 1/(2^x) and was hoping someone could guide me step by step to the answer? so confused and would really appreciate the help thanks!
  2. jcsd
  3. Aug 21, 2013 #2


    User Avatar
    Homework Helper

    what is
  4. Aug 21, 2013 #3


    User Avatar
    Science Advisor

    It might help you to recognize that [itex]1/2^x= 2^{-x}[/itex]. Also, [itex]2^{-x}= e^{ln(2^{-x})}= e^{(-ln(2)x)}[/itex].
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Similar Threads for Really stuck easy
I Must functions really have interval domains for derivatives?