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Question
Mathematics
Two matrices A and B are multiplicative inverse of each other only if
Q. Two matrices A and B are multiplicative inverse of each other only if
1584
166
Matrices
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A
A
B
=
0
,
B
A
=
I
7%
B
A
B
=
B
A
=
0
10%
C
A
B
=
B
A
17%
D
A
B
=
B
A
=
I
66%
Solution:
A and B are inverses of each other iff
A
B
=
B
A
=
I
.