Let $\mathbf{A}=\left[a_{i j}\right], \quad 1 \leq i, j \leq n$ with $n \geq 3$ and $a_{i j}=i . j .$ The rank of $\mathbf{A}$ is:
(A) 0
(B) 1
(C) $n-1$
(D) $n$

Question ID - 156157 | SaraNextGen Top Answer

Let $\mathbf{A}=\left[a_{i j}\right], \quad 1 \leq i, j \leq n$ with $n \geq 3$ and $a_{i j}=i . j .$ The rank of $\mathbf{A}$ is:
(A) 0
(B) 1
(C) $n-1$
(D) $n$