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6 Cards in this Set

  • Front
  • Back

Arithmetic of n

An= A+(n-1)d

Arithmetic Sum

Sn= n/2(A+An)

Geometric of n

An=Ar^(n-1)

Geometric Sum

Sn=A(1-r^n)/(1-r)

Permutation

P=n!/(n-r)!

Combination

C= n!/(n-r)!r!