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Byju's Answer
Standard XI
Mathematics
Multiplication of Matrices
Let A be of o...
Question
Let
A
be
of
order
m
×
n
and
B
be
of
order
n
×
p
.
Then
AB
can
be
found
but
BA
can
not
be
found
,
where
m
≠
n
and
n
≠
p
.
A
True
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B
False
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Solution
The correct option is
A
True
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0
Similar questions
Q.
Let
A
and
B
be two symmetric matrices of same order. If
X
=
A
B
+
B
A
and
Y
=
A
B
−
B
A
,
then
(
X
Y
)
T
is equal to
Q.
Let A and B be square matrices of same order satisfying AB = A and BA = B. Then
A
2
B
2
equals, (O being the zero matrix of the same order as B)
Q.
Let A and B be square matrices of same order satisfying AB = A and BA = B. Then
A
2
B
2
equals, (O being the zero matrix of the same order as B)
Q.
Let A =
[
m
n
]
1
×
2
, B =
[
m
n
]
2
×
1
and C =
[
25
]
1
×
1
be three matrices such that AB = C, where m and n are integers, then the number of ordered pairs of (m,n) are
Q.
If A and B be symmetric matrices of the same order, then AB-BA will be
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