+0  
 
0
128
1
avatar

Let a, b, and c be positive real numbers.  Prove that

a^2 + b^2 + c^2 >= ab + ac + bc.

 

Under what conditions does equality occur? 

 Nov 29, 2021
 #1
avatar+168 
0

 

 𝑎≥𝑏≥0≥𝑐.

 Nov 29, 2021
edited by HoldMyBeer  Nov 29, 2021

19 Online Users

avatar
avatar