Target Exam

CUET

Subject

-- Applied Mathematics - Section B2

Chapter

Algebra

Question:

If matrix $A=[aij]_{2×2}$ where $aij=\left\{\begin{matrix} 1, i≠j\\0, i=j\end{matrix}\right.$,then $A^3$ is equal to :

Options:

2I

O

I

$A^T$

Correct Answer:

$A^T$