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The pair of equations can be written in matrix form
MATHEMATICS · Single correct · CBSE · Mathematics · Matrices · Matrices
Problem
The pair of equations
2
x
−
y
=
5
,
3
x
+
4
y
=
6
2x - y = 5,\; 3x + 4y = 6
2
x
−
y
=
5
,
3
x
+
4
y
=
6
can be written in matrix form
A
X
=
Y
AX = Y
A
X
=
Y
. Which of the following is the correct coefficient matrix
A
A
A
? (a)
(
5
−
1
6
4
)
\begin{pmatrix}5 & -1\\ 6 & 4\end{pmatrix}
(
5
6
−
1
4
)
(b)
(
2
−
1
3
4
)
\begin{pmatrix}2 & -1\\ 3 & 4\end{pmatrix}
(
2
3
−
1
4
)
(c)
(
2
1
3
4
)
\begin{pmatrix}2 & 1\\ 3 & 4\end{pmatrix}
(
2
3
1
4
)
(d)
(
2
3
−
1
4
)
\begin{pmatrix}2 & 3\\ -1 & 4\end{pmatrix}
(
2
−
1
3
4
)
Related theory
Matrices
Matrix operations
Matrix definition and notation
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