Series - A Level Maths Definition
Reviewed by: Mark Curtis
Last updated
What is a series?
In A Level Maths, a series refers to the sum of the terms in a sequence. For example, if a sequence is given by 4, 8, 12 and 16, then the series for this sequence is 4 + 8 + 12 + 16.
The notation means the sum of the first
terms in a sequence. For the sequence above:
If a formula for the th term of a sequence is known, then an alternative way to write a series is by using sigma notation,
.
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