The volume of the parallelepiped :
\The volume of the parallelepiped determined by the vectors
and
is the magnitude of their scalar triple product.
.
The vectors are
,
and
.
Find
.
.



.
.
Find
.
The vectors are
and
.



.
Substitute
in
.
.
Therefore, the volume of the parallelepiped is
.
The volume of the parallelepiped is
.