Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2vM/ Traduzione in Italiano del video Sequences and Series (part 1) http://www.youtube.com/watch?feature=player_embedded&v=VgVJrSJxkDk http://www.khanacademy.org/math/precalculus/v/sequences-and-series--part-1 Help us caption & translate this video! http://amara.org/v/B2vM/