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Byju's Answer
Standard XII
Mathematics
Adjoint of a Matrix
A and B are t...
Question
A and B are two 3*3 matrices such that they are inverse of each other then tr.(5AB+6BA+7(AB)^2 +8(BA)^2) is equal to
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Similar questions
Q.
If two square matrices
A
and
B
are of same order and,
T
r
(
A
)
=
3
,
T
r
(
B
)
=
5
then
T
r
(
A
+
B
)
=
Q.
If two matrices
A
and
B
are such that,
A
B
=
A
and
B
A
=
B
.
Then
A
3
+
B
3
is equal to
Q.
If two matrices
A
and
B
are such that they follow commutative property, then
A
4
B
2
is equal to
Q.
If
A
and
B
are square matrices of order
3
such that
|
A
|
=
−
1
,
|
B
|
=
3
, then
|
3
A
B
|
is equal to
Q.
If
f
(
x
)
and
g
(
x
)
are inverse function of each other such that
f
(
1
)
=
3
&
f
(
3
)
=
1
, then
∫
3
1
(
g
(
x
)
+
x
f
′
(
g
(
x
)
)
)
d
x
is equal to
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