Suppose that a sequence (
a_(n):n>=1
) diverges to infinity. Suppose that a second sequence (
b_(n):n>=1
) satisfies (i)
b_(n)>0
for all
n
and (ii)
b_(n)->2
as
n->\infty
. Give a proof that
(\rho _(n))/(b_(n))->\infty
.