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# If A is singular matrix, then adj(A) is (a) Non-singular(b) singular(c) Symmetric(d) Not defined

Last updated date: 29th Mar 2023
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Hint: Apply property of matrix i.e. $adjA = \left| A \right| \cdot I$ where A is a singular matrix. From this property, we will get our answer.

Then $\left| A \right| = 0$
$adjA = \left| A \right| \cdot I$
$\Rightarrow adjA = 0$