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Let A = [0 1 0 0 ], A^-1 is equal to _________

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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

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The correct answer is (c) Does not exist

For explanation: Since A is singular matrix, inverse does not exists.

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