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GATE | GATE-CS-2004 | Question 27

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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:

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Last Updated : 28 Jun, 2021
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