The difference between a series and a sequence is that a series adds all the terms of the sequence, and the sequence is just the pattern of numbers. Finding the value of the sum becomes an important operation.
lesson notes: 04 sums of a sequence
audio: 04 sums of a sequence
slidecast:
Arithmetic means we are very familiar with, they are, of course what we normally call average. A geometric mean is a similar process, however using multiplying instead of adding and rooting instead of dividing.
lesson notes: 03 arithmetic & geometric means
audio: 03 arithmetic & geometric means
slidecast:
The second of the specific types of series that we are going to look at are the geometric series.
lesson notes: 02 geometric series
audio: 02 geometric series
slidecast:
In this topic we are looking at number patterns, and more specifically arithmetic & geometric series.
We start with some basic definitions and looking at arithmetic series in particular.
lesson notes: 01-definitions-arithmetic-series
audio: 01 definitions & arithmetic series
slidecast:
The first common type of question is circle geometry.
lesson notes: 01 circle geometry
audio: 01 circle geometry
slidecast: