CUET Mathematics 2026 12th May Shift 2 PYQs

If $A=\begin{bmatrix}\lambda & 0 & 0\\0 & \lambda & 0\\0 & 0 & \lambda\end{bmatrix}$, $\lambda\ne0$, then $|adjA|$ is equal to

If $[2x \quad 4]\begin{bmatrix} x \\ -8 \end{bmatrix} = [0]$, then the value of $x$ is/are

A. $-4$

B. $4$

C. $16$

D. $-16$

Choose the correct answer from the options given below:

If A is a square matrix of order 3 and $|A| = 4$, then the value of $|2A^T|$ is