test # 6

  1. nth term of a sequence

    explicit definition
    a_n = a_1 + (n - 1)d
  2. nth term of a sequence

    recursive definition
    a_n = a_n-1 + d
  3. sum of first n terms of a geometric sequence
    s_n = a (1-r^n)/1-r
  4. sum of infinate terms of a geometric sequence
    s = a(1/1-r)
Author
bca77
ID
149304
Card Set
test # 6
Description
sequences
Updated