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A First Course in Linear Algebra
· Problem C36
Determinants — Robert Beezer
Mathematics — Linear Algebra · rank-nullity
Problem
Find the rank and nullity of the matrix
A
=
[
1
2
1
1
1
1
3
2
0
4
1
2
1
1
1
]
.
A = \begin{bmatrix} 1 & 2 & 1 & 1 & 1 \\ 1 & 3 & 2 & 0 & 4 \\ 1 & 2 & 1 & 1 & 1 \end{bmatrix}.
A
=
1
1
1
2
3
2
1
2
1
1
0
1
1
4
1
.
Related theory
Consequences Of Rank Nullity For Finite Dimensions
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