Which of the following is not true for a square matrix \(A\) of order \(A\)
Answer & explanation
Correct answer: option 4
If A is invertible, then A must be non-singular. ($A^{-1}$ exist)
$⇒|A|≠0$
Which of the following is not true for a square matrix \(A\) of order \(A\)
Correct answer: option 4
If A is invertible, then A must be non-singular. ($A^{-1}$ exist)
$⇒|A|≠0$