MathCastle
Linear AlgebraMediumRow Reduction & Rank

Row Reduction & Rank · Medium problem

What is the rank of M=(−202−12−3369−8513−3)M = \begin{pmatrix}-2 & 0 & 2 & -12 \\ -3 & 3 & 6 & 9 \\ -8 & 5 & 13 & -3\end{pmatrix}?