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Problem
Problem
If
A
A
A
and
B
B
B
are square matrices of same order such that
A
∗
=
A
A^* = A
A
∗
=
A
and
B
∗
=
B
B^* = B
B
∗
=
B
, where
A
∗
A^*
A
∗
denotes the conjugate transpose of
A
A
A
, then
(
A
B
−
B
A
)
∗
(AB - BA)^*
(
A
B
−
B
A
)
∗
is equal to a. null matrix b.
A
B
−
B
A
AB - BA
A
B
−
B
A
c.
B
A
−
A
B
BA - AB
B
A
−
A
B
d. None of these
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