\begin{pmatrix} 0 & 0 \\ 0 & 0 \end{pmatrix}
Question:
Find the inverse of the matrix
\[\begin{pmatrix} 9 & 18 \\ -6 & -12 \end{pmatrix}.\]If the inverse does not exist, then enter the zero matrix.
Answer:
Let's think step by step.

user
\begin{pmatrix} 0 & 0 \\ 0 & 0 \end{pmatrix}
Find the inverse of the matrix
\[\begin{pmatrix} 9 & 18 \\ -6 & -12 \end{pmatrix}.\]If the inverse does not exist, then enter the zero matrix.
train