Question

Find the adjoint of the matrix A, where A `= [(1,2,3),(0,5,0),(2,4,3)]`

Options

• `[(15,6,1),(0,3,0),(10,0,5)]`

• `[(15,6,-15),(0,-3,0),(-10,0,5)]`

• `[(15,-1,5),(0,3,1),(10,1,5)]`

• None of these

Answer 1

`[(15,6,-15),(0,-3,0),(-10,0,5)]`