The question is Asking to find A And Adj A when we have both with some missing entries.

A =

2 1 4

3 / /

1 / /

Adj A =

/ / -1

/ 8 /

/ 3 1

First Column is empty in Adj A.

The questions asks to find A and Adj a by finding the missing entries which i denoted here by using the symbol ( / )

Please help