The matrices are ,
,
and
.
Find the product .
(Substitute
and
)
(Add:
)
(Simplify)
(Substitute
)
(Distibute the scalar:
)
(Simplify)
Find the product .
(Substitute
and
)
(Distibute the scalar:
)
(Simplify)
Find the product .
(Substitute
and
)
(Distibute the scalar:
)
(Simplify)
Find the product .
(Substitute
and
)
(Add:
)
Therefore, .
The statement is True.