click below
click below
Normal Size Small Size show me how
Alg 2 Ch 13 Formulas
Formulas from Chapter 13: Sequences and Series
Question | Answer |
---|---|
Quadratic Summation Formula | [n(n+1)(2n+1)]/6 |
Constant Summation Formula | nc |
Linear Summation Formula | [n(n+1)]/2 |
Arithmetic Sum Formula | S{n}=n([a{1}+a{n}]/2) |
Geometric Sum Formula | S{n}=a{1}([1-r^n]/[1-r]) |
Arithmetic General Formula | a{n}=a{1}+(n-1)d |
Geometric General Formula | a{n}=a{1}r^(n-1) |
Sum of Infinite Geometric Series Formula | S{&}=[a{1}]/[1-r] |
Combined Arithmetic Sum Formula | S{n}=(n/2)(2a{1}+(n-1)d) |
Mathematical Induction | S{n+1}=S{n}+a{n+1} |