Question
Calculate the determinant of the matrix $\left[\begin{array}{cc}O & I_n \\ I_k & O\end{array}\right]$.
Step 1
The given matrix is of the form \[ A = \begin{bmatrix} O & I_n \\ I_k & O \end{bmatrix} \] where \( O \) is a zero matrix, \( I_n \) is the identity matrix of size \( n \), and \( I_k \) is the identity matrix of size \( k \). Show more…
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