A square matrix has inverse, if |A| is - Vidyadip

MCQ

A square matrix has inverse, if $|A|$ is

A
$0$
B
1
C
-1
✓
non zero

✓

Answer

Correct option: D.

non zero

(D) If $|A| \neq 0$, then $A^{-1}$ exists
$\therefore|A|$ is non zero

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