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5 Cards in this Set

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  • Back

Arithmetic Sequence

Un = a + (n-1)d

Arithmetic Series

Sn= n/2 (2a + (n-1)d) or Sn=n/2(a+l)

Geometric Sequence

Un= ar^n-1

Geometric Series

Sn= a(1-r^n)/1-r or Sn= a(r^n-1)/r-1

Sum to infinity of a convergent geometric series

S~=a/1-r