Minimum Determinant Value (Jee Mains) | ExamDuo
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Determinants
Hard
Minimum Determinant Value
Let d ∊ R, and
A =
[
−
2
4
+
d
(
s
i
n
θ
)
−
2
1
(
s
i
n
θ
)
+
2
d
5
(
2
s
i
n
θ
)
−
d
(
−
s
i
n
θ
)
+
2
+
2
d
]
θ ∊ [0 , 2π] , If the minimum value of det(A) is 8,then a value of d is :
Ask about this question
SELECT ONE OPTION
A
- 7
B
2
(
√
2
+
2
)
C
- 5
D
2
(
√
2
+
1
)
Check