Chapter 8 College Algebra Review

Series : ai=a1+a2+a3+......an

The Sum of a Finite Arithmetic Sequence : Sn=n/2(a1+an)

nth Term of an Arithmetic Sequence : an=dn+c OR an=a1+(n-1)d

Sum of the Fifth Power of Integers : n^2(n+1)^2(2n^2+2n-1)/12

Sum of the Third Powers of Integers : n^2(n+1)^2

Sum of an Finite Geometric Series : Sn=Ea1r^n-1=a1(1-r^n/1-r)