Prove by induction that
is divisible by 11 ..
Last edited by bobak; February 26th 2008 at 08:27 AM.
Follow Math Help Forum on Facebook and Google+
are you sure?
for n = 1,
Sorry the latex was a bit confusing, I cleaned it up.
Ok, let's assume it holds for n, we'll now show it does so for n+1 is divisible by 11 then
Since (divisible by 11)
and is divisible by 11
It follows that is also divisible by 11
View Tag Cloud