prove if a+b+c=1 ,a,b,c>0(adsbygoogle = window.adsbygoogle || []).push({});

so (1+1\a)(1+1\b)91+1\c)>=64

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Hard calc problem

**Physics Forums | Science Articles, Homework Help, Discussion**