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Linear AlgebraMediumVector Spaces & Bases

Vector Spaces & Bases · Medium problem

What is the dimension of the null space of A=(−1−14−34−310−2−31−1)A = \begin{pmatrix}-1 & -1 & 4 & -3 \\ 4 & -3 & 1 & 0 \\ -2 & -3 & 1 & -1\end{pmatrix}?