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Mathematics
Two matrices A and B are multiplicative inverse of each other only if
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Q. Two matrices A and B are multiplicative inverse of each other only if
Matrices
A
$AB = 0, BA = I$
7%
B
$AB = BA = 0$
10%
C
$AB = BA$
17%
D
$AB = BA = I$
66%
Solution:
A and B are inverses of each other iff
$AB = BA = I$.