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A matrix has determinant 1 and equals 3 , 1 ; 5 , 2… | StemPy Lab
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A matrix has determinant 1 and equals 3 , 1 ; 5 , 2 . What is its inverse?
Mathematics
Easy
High School (11–12)
Algebra › Matrices and Determinants
A-Level
IB
Created by
StemPy Lab
A matrix has determinant
1
1
1
and equals
[
3
1
5
2
]
\begin{bmatrix} 3 & 1 \\ 5 & 2 \end{bmatrix}
[
3
5
1
2
]
. What is its inverse?
[
3
−
1
−
5
2
]
\begin{bmatrix} 3 & -1 \\ -5 & 2 \end{bmatrix}
[
3
−
5
−
1
2
]
[
−
2
1
5
−
3
]
\begin{bmatrix} -2 & 1 \\ 5 & -3 \end{bmatrix}
[
−
2
5
1
−
3
]
[
2
1
5
3
]
\begin{bmatrix} 2 & 1 \\ 5 & 3 \end{bmatrix}
[
2
5
1
3
]
[
2
−
1
−
5
3
]
\begin{bmatrix} 2 & -1 \\ -5 & 3 \end{bmatrix}
[
2
−
5
−
1
3
]
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