Linear AlgebraMediumVector Spaces & Bases ShareVector Spaces & Bases · Medium problemThe matrix A=(1−1020000002−2040)A = \begin{pmatrix}1 & -1 & 0 & 2 & 0\\0 & 0 & 0 & 0 & 0\\2 & -2 & 0 & 4 & 0\end{pmatrix}A=102−10−2000204000 has rank 111. What is the dimension of its null space?Check Show answer Walk through it step by step Practice more like this Review this concept