A square matrix A is said to be singular if

Question

A square matrix A is said to be singular if (A) it is a scalar matrix (B) every diagonal element of A is equal to zero (C) | A | = 0 (D) the diagonal elements of A are all zero.

Tardigrade Admin · Accepted Answer

Correct answer is (c) | A | = 0

Q. A square matrix A is said to be singular if

it is a scalar matrix

every diagonal element of A is equal to zero

| A | = 0

the diagonal elements of A are all zero.

Correct answer is (c) | A | = 0