where and
.
When
Derivation from the AM-GM inequality:
Using a set of positive numbers,
of which have the value
, and the
others have the value 1:
The arithmetic mean is , so
Or, writing in place of
,
where and
.
When
Derivation from the AM-GM inequality:
Using a set of positive numbers,
of which have the value
, and the
others have the value 1:
The arithmetic mean is , so
Or, writing in place of
,