Question

If A is a 3x3 non singular matrix then A(AdjA)=​

Answer 1

Answer:

A|AdjA|=$|A|^{3}$

Step-by-step explanation:

|AdjA|=$|A|^{n-1}$

          $\frac{|A|^{n} }{|A|}$

A|AdjA|=$|A|^{n}$

take n=3 then

A|AdjA| = $|A|^{3}$