September 14th, 2011, 06:53 AM  #1 
Newbie Joined: Sep 2011 Posts: 2 Thanks: 0  Algebra and Power Help... Please!
Hello all, I need help solving the following equation for x: a = (1x) ^ {[2/(1+g)]2} Can anyone help? Thank you so much. 
September 14th, 2011, 07:11 AM  #2 
Math Team Joined: Apr 2010 Posts: 2,780 Thanks: 361  Re: Algebra and Power Help... Please!
Hello ejfl, Can you proceed from here? 
September 14th, 2011, 09:06 AM  #3 
Newbie Joined: Sep 2011 Posts: 2 Thanks: 0  Re: Algebra and Power Help... Please!
Thanks for the prompt response Hoempa  can I just confirm that the denominator and numerator on the right are the correct way round?

September 14th, 2011, 09:44 AM  #4 
Math Team Joined: Apr 2010 Posts: 2,780 Thanks: 361  Re: Algebra and Power Help... Please!
Well, I slipped up 
September 15th, 2011, 05:27 AM  #5 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,963 Thanks: 1148 Math Focus: Elementary mathematics and beyond  Re: Algebra and Power Help... Please!
WARNING! Mistakes in this post! (Can you find them?) 
September 15th, 2011, 10:00 AM  #6 
Global Moderator Joined: Dec 2006 Posts: 20,976 Thanks: 2228 
If a = 1/4 and g = 1/2, what does your result tell you x is?

September 15th, 2011, 04:55 PM  #7 
Math Team Joined: Apr 2010 Posts: 2,780 Thanks: 361  Re: Algebra and Power Help... Please! 
September 16th, 2011, 01:52 AM  #8 
Global Moderator Joined: Dec 2006 Posts: 20,976 Thanks: 2228 
You could get your last line from greg1313's first line.

September 16th, 2011, 02:08 AM  #9  
Math Team Joined: Apr 2010 Posts: 2,780 Thanks: 361  Re: Algebra and Power Help... Please!
Thank you I was biased by logs.. So (with z=x^y yields x=y^(1/z) Quote:
; choose a = 2 and n = 4, b = 16 for example.  
September 16th, 2011, 02:24 AM  #10 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,963 Thanks: 1148 Math Focus: Elementary mathematics and beyond  Re: Algebra and Power Help... Please!
Its been a while since I've done logs... Thanks!


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