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Byju's Answer
Standard XII
Mathematics
Multiplication of Matrices
Find the outp...
Question
Find the output order for the following matrix multiplication
X
5
×
3
×
Y
3
×
5
?
A
5
×
5
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B
3
×
5
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C
5
×
3
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D
3
×
3
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Solution
The correct option is
A
5
×
5
Since,
X
is of size
5
×
3
, and
Y
is of size
3
×
5
∴
T
he matrix product of
X
and
Y
has order
5
×
5.
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0
Similar questions
Q.
If
x
2
=
2
x
−
y
and
|
x
|
<
1
, then
y
+
y
3
3
+
y
5
5
+
.
.
.
∞
=
c
(
x
+
x
3
3
+
x
5
5
+
.
.
.
∞
)
Find 2c
Q.
If
y
+
y
3
3
+
y
5
5
+
.
.
.
∞
=
2
[
x
+
x
3
3
+
x
5
5
+
.
.
.
∞
]
, then the relation between
x
and
y
is ...
x
2
y
=
a
x
−
y
Find
2
a
+
1
Q.
Solve the following by using cross-multiplication
x
5
+
y
15
=
1
3
…
.
(
1
)
x
3
+
y
5
=
1
5
…
(
2
)
Q.
(
−
5
)
×
3
=
3
×
(
−
5
)
=
(
−
15
)
which proves that integers are ___________ under multiplication.
Q.
If
A
=
⎡
⎢ ⎢ ⎢ ⎢ ⎢ ⎢ ⎢
⎣
2
3
1
3
7
3
1
2
3
2
5
3
4
3
2
3
⎤
⎥ ⎥ ⎥ ⎥ ⎥ ⎥ ⎥
⎦
and
B
=
⎡
⎢ ⎢ ⎢ ⎢ ⎢ ⎢ ⎢
⎣
2
5
1
5
7
5
3
5
2
5
6
5
1
4
5
2
5
⎤
⎥ ⎥ ⎥ ⎥ ⎥ ⎥ ⎥
⎦
, then compute
3
A
−
5
B
.
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