March 14th, 2010, 05:05 AM  #1 
Newbie Joined: Feb 2010 Posts: 1 Thanks: 0  Given function, show that
Hello, I can't seem figure out how to do this one. Problem: e^y=e^x+e^x, show that d^2*y/d*x^2+(dy/dx)^2  1=0 I know that I have to find a derivative, but have been failing do it for a few days now. 
March 14th, 2010, 09:31 AM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,814 Thanks: 1046 Math Focus: Elementary mathematics and beyond  Re: Given function, show that
y = ln(e^x + e^x) Can you continue from there? 

Tags 
function, show 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Show function is not analytic  WWRtelescoping  Complex Analysis  1  February 25th, 2014 07:53 PM 
Show that the generating function  Solarmew  Applied Math  11  May 20th, 2012 07:34 PM 
Let X,Y be two sets. Show that the function h: X ×Y ? Y ×X..  craighill5  Number Theory  0  February 23rd, 2012 10:03 AM 
Show that the function is biholomorphic  Schrodinger  Complex Analysis  0  November 28th, 2011 09:37 PM 
show that f is identically the zero function  sailorsenshi  Complex Analysis  0  October 30th, 2007 12:10 AM 