Let A = [0 1 0 0 ], A^-1 is equal to _________
(a) Null matrix
(b) Identity matrix
(c) Does not exist
(d) None of the mentioned
The question was posed to me during an online exam.
The origin of the question is Inverse of Matrices topic in portion Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics