
          {
            title: 'Matrix Inversion',
            class: 'small',
            comment:
              'The extra line (\\\\) at the bottom of the matrices is ignored.',
            latex: `\\mathbf{A}^{-1} =
\\begin{bmatrix}
    a & b \\\\
    c & d \\\\
\\end{bmatrix}^{-1} =
\\frac{1}{\\det \\mathbf{A}}
\\begin{bmatrix*}[rr]
    d & -b \\\\
    -c & a \\\\
\\end{bmatrix*} =
\\frac{1}{ad - bc}
\\begin{bmatrix*}[rr]
    d & -b \\\\
    -c & a \\\\
\\end{bmatrix*}.`,
          },
          {
    