Given a convergent series of rationals, how many subseries can converge to the same number? –

Let us have a sequence $a_n$ of positive rational numbers, for which $sum a_n = R in mathbb R$. Now suppose $b_n$ is a subsequence of $a_n$ such that $sum b_n = r < R$. The question is "Can ...

For Get Answer – Click here

Leave a Reply

Your email address will not be published. Required fields are marked *