Browse Questions

# If A is an invertible matrix of order n , then the determinant of adj A is equal to :

$\begin {array} {1 1} (a)\;| A |^n & \quad (b)\;|A|^{n+1} \\ (c)\;|A|^{n-1} & \quad (d)\;|A|^{n+2} \end {array}$

$(c)\;|A|^{n-1}$