If A is a singular matrix, then adj A is. 1. non−singular 2. sing… - Vidyadip

Question

If A is a singular matrix, then adj A is.

non−singular
singular
symmetric
not defined

✓

Answer

singular

Solution:

Given ∣A∣ = 0

We know ∣adjA∣ = ∣A∣ n - 1

∴ ∣adjA∣ = 0

Hence, adj A is singular

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