ID: Class: 12 Subject: Math Topic: Matrices and Determinants Type: Mcq Year: 2025

Question:

If \(\begin{vmatrix}2x&5\\ 12&x\end{vmatrix}=\begin{vmatrix}6&-5\\ 4&3\end{vmatrix}\) then the value of x is:
  • A. 3
  • B. 7
  • C. \(\pm7\)
  • D. \(\pm3\)