A Not Too Difficult Inequality

Revision en1, by ..tourist.., 2021-05-09 11:09:49

$$$(a+c)(b+d)\geq 1$$$ Prove that:

$$$ \sum_{cyc}{\frac{1}{(a+b)^2+3}}\leq 1 $$$

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en1 English ..tourist.. 2021-05-09 11:09:49 108 Initial revision (published)