Target Exam

CUET

Subject

Section B1

Chapter

Matrices

Question:

If $A = \begin{bmatrix} 0 & 1 \\ 0 & 0 \end{bmatrix}$, then $A^{2023}$ is equal to:

Options:

$\begin{bmatrix} 0 & 1 \\ 0 & 0 \end{bmatrix}$

$\begin{bmatrix} 0 & 2023 \\ 0 & 0 \end{bmatrix}$

$\begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}$

$\begin{bmatrix} 2023 & 0 \\ 0 & 2023 \end{bmatrix}$

Correct Answer:

$\begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}$

Explanation:

The correct answer is Option (3) → $\begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}$ ##

$A = \begin{bmatrix} 0 & 1 \\ 0 & 0 \end{bmatrix}$

$A^2 = \begin{bmatrix} 0 & 1 \\ 0 & 0 \end{bmatrix} \begin{bmatrix} 0 & 1 \\ 0 & 0 \end{bmatrix} = \begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}$

$A^{2023} = \begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}$.