+0  
 
0
32
1
avatar

Prove algebraically that the difference between any two diferent odd numbers is an even number.

please explain

Guest Oct 6, 2017
Sort: 

1+0 Answers

 #1
avatar
+1

Let A be an odd number, B another odd number A = 2c + 1, B = 2d + 1 (where both c and d are integers) A - B = (2c + 1) - (2d + 1) = 2c-2d + (1-1) = 2(c+d) Since c and d are integers, c+d is an integer too, and A-B is even (since it can be expressed as 2*integer).

 

Guest Oct 6, 2017

19 Online Users

avatar
avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details