why is there only 10 teams in the big 12
Big 12 Conference The conference's current 10-campus makeup resulted from the 2010–13 Big 12 Conference realignment, in which Nebraska joined the Big Ten Conference, Colorado joined the Pac-12, and Missouri and Texas A&M joined the Southeastern Conference. TCU and West Virginia joined from the Mountain West and Big East Conferences respectively to offset two of the departing schools, bringing the conference to its current strength.
Alonso Álvarez de Pineda
Pac-12 Conference In 1978, the conference added Arizona and Arizona State from the Western Athletic Conference, becoming the Pacific-10 Conference or Pac-10. The invitations to the schools were extended in December 1976,[81] and the expansion formally announced in May 1977.[82]
1 + 2 + 3 + 4 + ⋯ which increases without bound as n goes to infinity. Because the sequence of partial sums fails to converge to a finite limit, the series does not have a sum.