$\sum_{cyc}a^2(a-b)\ge 0$ - oliforum contest, probl 4
Re: $\sum_{cyc}a^2(a-b)\ge 0$ - oliforum contest, probl 4
Ah ok perfetto grazie!
$ \mbox{ }\mbox{ } $And God said : $ \displaystyle c^2 \mu_0 \varepsilon_0 =1 $,
and then there was light.
$ \mbox{ }\mbox{ } $Tsune ni shinen kufu seyo
and then there was light.
$ \mbox{ }\mbox{ } $Tsune ni shinen kufu seyo