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Questions
>>
CBSE XII
>>
Math
>>
Determinants
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Q)
Let A =
[
1
s
i
n
θ
1
−
s
i
n
θ
1
s
i
n
θ
−
1
−
s
i
n
θ
1
]
, where
0
≤
θ
≤
2
π
. Then:
(
A
)
D
e
t
(
A
)
=
0
(
B
)
D
e
t
(
A
)
∈
(
2
,
∞
)
(
C
)
D
e
t
(
A
)
∈
(
2
,
4
)
(
D
)
D
e
t
(
A
)
∈
[
2
,
4
]
Share
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