Ononot — What is the rank of the matrix A = \begin{pmatrix} 1 & 2 & 3

Guest Session: 1 Question Remaining. Create Account to save progress.

Linear Systemshard

0:00.0

What is the rank of the matrix $A = \begin{pmatrix} 1 & 2 & 3 & 4 \\ 5 & 6 & 7 & 8 \\ 9 & 10 & 11 & 12 \end{pmatrix}$ ?