December 18th, 2018, 11:08 AM  #1 
Newbie Joined: Dec 2018 From: albania Posts: 1 Thanks: 0  Solve equation
(4+âˆš15)^x+(4*âˆš15)^x=62

December 18th, 2018, 11:40 AM  #2 
Math Team Joined: May 2013 From: The Astral plane Posts: 2,226 Thanks: 908 Math Focus: Wibbly wobbly timeywimey stuff.  
December 18th, 2018, 12:04 PM  #3 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038 
The "*" probably should be "" ?

December 18th, 2018, 02:04 PM  #4 
Global Moderator Joined: Dec 2006 Posts: 20,831 Thanks: 2161 
That seems plausible, as it would make the second term the reciprocal of the first.


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