Although the problem has been completely solved I'd like to comment that in general it can be proved that if
then,
In our case, the series can be inmediatly written in the form:
that is, . Then:
Fernando Revilla
Although the problem has been completely solved I'd like to comment that in general it can be proved that if
then,
In our case, the series can be inmediatly written in the form:
that is, . Then:
Fernando Revilla