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Question
Mathematics
If B is a non-singular matrix and A is a square matrix, then det (B-1 AB) is equal to
Q. If
B
is a non-singular matrix and
A
is a square matrix, then det
(
B
−
1
A
B
)
is equal to
3294
223
VITEEE
VITEEE 2010
Determinants
Report Error
A
det
(
A
−
1
)
0%
B
det
(
B
−
1
)
40%
C
det (A)
40%
D
det (B)
20%
Solution:
d
e
t
(
B
−
1
A
B
)
=
d
e
t
(
B
−
1
)
d
e
t
A
d
e
t
B
=
d
e
t
(
B
−
1
)
.
d
e
t
B
.
d
e
t
A
=
d
e
t
(
B
−
1
B
)
.
d
e
t
A
=
d
e
t
I
.
d
e
t
A
=
1
⋅
d
e
t
A
=
d
e
t
A