Linear AlgebraMediumRow Reduction & Rank ShareRow Reduction & Rank · Medium problemWhat is the rank of M=(3−99124−1212161−334)M = \begin{pmatrix}3 & -9 & 9 & 12 \\ 4 & -12 & 12 & 16 \\ 1 & -3 & 3 & 4\end{pmatrix}M=341−9−12−3912312164?Check Show answer Walk through it step by step Practice more like this Review this concept