The two vector equations are
and
.
(a) Find
.
Cross product of two vectors:
\If
and
are two vectors in space, the cross product
is defined as the vector
.
The cross product of
and
.
Here
and
.


.
.
(b) Find
.
The cross product of
and
.
Here
and
.


.
.
(c) Find
.
The cross product of
and
.
Here
and
.


.
.
(d) Find
.
The cross product of
and
.
Here
and
.

.
.
(a)
.
(b)
.
(c)
.
(d)
.