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If $A = [\begin{matrix} a & 0 & 0 \\ 0 & a & 0 \\ 0 & 0 & a \end{matrix}],$ then the value of $| A | | a d j A |$ is

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Correct option is C

|A|=a3, |adj A|=(a3)2 ⇒ |A||adj A|=a9

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If A=a000a000a, then the value of |A||adj A| is

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If $A = [\begin{matrix} a & 0 & 0 \\ 0 & a & 0 \\ 0 & 0 & a \end{matrix}],$ then the value of $| A | | a d j A |$ is