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Sequence Equations
Equations for Arithmetic and Geometric Sequences
Question | Answer |
---|---|
Arithmetic Recursive | A1 = Given Value; An= An-1+D |
Arithmetic Explicit | An = A1+(n-1)D |
Arithmetic Sum | Sn = n/2 (A1=An) |
Geometric Recursive | A1 = Given Value; An = (An-1) (R) |
Geometric Explicit | An = A1 (R^n-1) |
Geometric Sum | Sn = (A1(1-R^n)/(1-R) |
Infinite Sum | S = A1/1-R |