
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
March 11th, 2014, 12:01 AM  #1 
Senior Member Joined: Oct 2013 From: Far far away Posts: 422 Thanks: 18  When is it true?
If m and n are integers, under what circumstances will m^2  n^2 be positive? My answer is when m>n, statement m^2  n^2 > 0 Is this the correct answer? Is there a better way to see the problem? thanks 
March 11th, 2014, 06:36 AM  #2  
Member Joined: Mar 2013 Posts: 90 Thanks: 0  Re: When is it true? Quote:
 
March 11th, 2014, 06:44 AM  #3  
Math Team Joined: Apr 2010 Posts: 2,778 Thanks: 361  Re: When is it true? Quote:
 
March 11th, 2014, 08:30 AM  #4 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,214 Thanks: 2410 Math Focus: Mainly analysis and algebra  Re: When is it true?
But the OPs answer of m > n is correct nonetheless.

March 12th, 2014, 04:36 AM  #5 
Member Joined: Mar 2013 Posts: 90 Thanks: 0  Re: When is it true?
Sorry, my mistake. is equivalent to . 

Tags 
true 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Is this statement true?  danielphillis  Applied Math  2  March 9th, 2014 06:06 PM 
True or not  Dacu  Number Theory  16  June 19th, 2013 05:42 AM 
which of the following is true  kingkos  Calculus  4  April 17th, 2012 07:12 AM 
Is this true ?????  johnmath  Real Analysis  1  July 5th, 2011 07:53 AM 
Is this true?  sivela  Calculus  1  February 15th, 2010 11:41 AM 