Question

For \[\begin{vmatrix}1&-2\\4&3\end{vmatrix}\], what is \(M_{22}\)?

Options

• \(-1\)

• \(3\)

• \(-2\)

• \(1\)

Answer 1

For \(M_{22}\), delete the second row and second column. The only remaining entry is \(1\), so \(M_{22}=1\).