ID: Class: 12 Subject: Math Topic: Matrices and Determinants Type: Mcq Year: 2024

Question:

If \(\begin{vmatrix}1&3&1\\ k&0&1\\ 0&0&1\end{vmatrix}=\pm6,\) then the value of k is:
  • A. 2
  • B. -2
  • C. \(\pm2\)
  • D. \(\mp2\)