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Byju's Answer
Standard XII
Mathematics
Scalar Multiplication of a Matrix
If C=[ 3 ...
Question
If
C
=
[
3
−
6
0
9
]
find
i) 2C
ii)
1
3
C
iii) -C
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Solution
It is given that,
C
=
[
3
−
6
0
9
]
1).
2
C
=
2
[
3
−
6
0
9
]
⟹
[
6
−
12
0
18
]
2).
1
3
C
=
1
3
[
3
−
6
0
9
]
⟹
[
1
−
2
0
3
]
3).
−
C
=
−
[
3
−
6
0
9
]
⟹
[
−
3
6
0
−
9
]
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Similar questions
Q.
If A =
2
3
5
7
, B =
-
1
0
2
3
4
1
, C =
-
1
2
3
2
1
0
, find
(i) A + B and B + C
(ii) 2B + 3A and 3C − 4B.
Q.
If
A
=
4
,
6
,
7
,
8
,
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,
B
=
2
,
4
,
6
and
C
=
1
,
2
,
3
,
4
,
5
,
6
, then find
(i)
A
∪
(
B
∩
C
)
(ii)
A
∩
(
B
∪
C
)
(iii)
A
∖
(
C
∖
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)
Q.
If
U
=
{
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
,
10
}
A
=
{
1
,
2
,
6
,
7
}
B
=
{
3
,
4
,
5
,
1
}
C
=
{
6
,
7
,
8
,
4
}
Find
(i)
(
A
∪
B
)
′
∩
(
A
∪
C
)
′
(ii)
(
C
′
−
A
)
−
(
A
−
C
)
(iii)
(
B
∩
C
)
∪
(
A
∩
C
)
(iv)
(
A
∪
B
∪
C
)
′
Q.
If
A
=
{
3
,
6
,
9
,
12
,
15
,
18
}
,
B
=
{
4
,
8
,
12
,
16
,
20
}
,
C
=
{
2
,
4
,
6
,
8
,
10
,
12
}
and
D
=
{
5
,
10
,
15
,
20
,
25
}
,
find
(i)
A
−
B
(ii)
B
−
C
(iii)
C
−
D
(iv)
D
−
A
(v)
n
(
A
−
C
)
Q.
Match the following.
A
Function
Location
(A)
Squamous epithelium
(
i
)
Allows transport of substances
(1) Brain
(B)
Nervous tissue
(
i
i
)
Pumping of blood
(2) Lung alveoli
(C)
Cardiac muscle
(
i
i
i
)
Transmitting impulses
(3) Leaves
(D)
Epidermal tissue
(
i
v
)
Transpiration
(4) Heart
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