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>>
JEEMAIN and NEET
>>
Mathematics
>>
Class12
>>
Determinants
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Q)
Let
A
=
[
0
0
−
1
0
−
1
0
−
1
0
0
]
.The only correct statement about the matrix A is
(
a
)
A
2
=
I
(
b
)
A
=
(
−
)
I
w
h
e
r
e
I
i
s
a
u
n
i
t
m
a
t
r
i
x
(
c
)
A
−
1
d
o
e
s
n
o
t
e
x
i
s
t
(
d
)
A
i
s
a
z
e
r
o
m
a
t
r
i
x
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