- Geometric sequences
Introduction to geometric sequences (10:44) Recognizing a geometric sequence, the initial term and common ratio.
Introduction to geometric sequences (advanced) (6:38) An emphasis on the notation is given to deduce the
term of the sequence.
Explicit and recursive formulas for geometric sequences (5:37) Find explicit and recursive formulas for the
term of the sequence
.
- * Practice: Explicit formulas for geometric series. (4 problems)
- Geometric series
Introduction to geometric series (6:16) Using a savings account as an application of geometric series.
Geometric series (2:52) Using the sigma notation to represent the sum of the terms of the sequence.
Finite geometric series (7:14) Deriving a formula for a finite geometric series.
Evaluate a finite geometric series (6:54)
- Find the sum of the first
terms in the sequence:
.
- Evaluate
.
- Find the sum of the first
terms in the sequence given by
and
.
- Find the sum of the first
- * Practice: Geometric series formula. (4 problems)