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Given and , find if…
MATHEMATICS · Single correct · CBSE · Mathematics · Matrices · Matrices
Problem
Given
A
=
[
1
2
3
4
]
A = \begin{bmatrix}1 & 2\\3 & 4\end{bmatrix}
A
=
[
1
3
2
4
]
and
B
=
[
7
8
9
10
]
B = \begin{bmatrix}7 & 8\\9 & 10\end{bmatrix}
B
=
[
7
9
8
10
]
, find
X
X
X
if
3
X
+
A
=
B
3X + A = B
3
X
+
A
=
B
. (a)
[
6
6
6
6
]
\begin{bmatrix}6 & 6\\6 & 6\end{bmatrix}
[
6
6
6
6
]
(b)
[
2
2
2
2
]
\begin{bmatrix}2 & 2\\2 & 2\end{bmatrix}
[
2
2
2
2
]
(c)
[
−
2
−
2
−
2
−
2
]
\begin{bmatrix}-2 & -2\\-2 & -2\end{bmatrix}
[
−
2
−
2
−
2
−
2
]
(d)
[
8
3
10
3
4
14
3
]
\begin{bmatrix}\dfrac{8}{3} & \dfrac{10}{3}\\4 & \dfrac{14}{3}\end{bmatrix}
3
8
4
3
10
3
14
Related theory
Matrix Operations
Matrices
Addition of matrices
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