If A is a square matrix of order 4- then adjadj A -A- - A -3 AB- - A -2 AC- - A -2 A 2D- - A -3

The correct option is B |A|^2Aadj(adj A)=|A|^n 2A =|A|^4 2A=|A|^2A nbsp; ...

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Definition of a Determinant

If A is a squ...

Question

If $A$ is a square matrix of order 4, then $adj(adj A) =$

| A |^{3} A

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| A |^{2} A

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| A |^{3}

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| A |^{2} A^{2}

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A = ⎡ ⎢ ⎣ \begin{matrix} 3 & - 3 & 4 2 & - 3 & 4 0 & - 1 & 1 \end{matrix} ⎤ ⎥ ⎦

a d j (a d j A) = A

a d j (a d j A) = {| A |}^{n - 2} A

A

adj(adj A) =

^{2}

A

2

a d j (a d j A)

A

n

| a d j (a d j A) | = {| A |}^{9}

n

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