Q1Single correct5 Marks10 May 2026

Let A be a square matrix of order 4. If $\text{det}(A)$ = -3, which of the following sequences of row operations can be performed on A so that the resulting matrix has determinant 1?

A

Swap any two rows, and then multiply any row of A by -1/3.

B

Swap any two rows, and then multiply any row of A by 1/3.

C

Multiply any row of A by -1/3.

D

Multiply any row of A by 1/3.