GATE | GATE-CS-2004 | Question 27

Let A, B, C, D be n × n matrices, each with non-­zero determinant. If ABCD = 1, then B-1 is
(A) D-1C-1A-1
(B) CDA
(C) ADC
(D) Does not necessarily exist


Answer: (B)

Explanation:

anil_27

This solution is contributed by Anil Saikrishna Devarasetty

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