Guest Session: 1 Question Remaining. Create Account to save progress.
Login
Determinantsmedium
0:00.0

For which value of kkk is the matrix A=(1231k3125)A = \begin{pmatrix} 1 & 2 & 3 \\ 1 & k & 3 \\ 1 & 2 & 5 \end{pmatrix}A=​111​2k2​335​​ singular?