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Byju's Answer
Standard XII
Mathematics
Definition of a Determinant
If fx = x3 + ...
Question
If
f
(
x
) =
x
3
+ |tan
x
| then
f
′
(
π
2
)
is equal to
यदि
f
(
x
) =
x
3
+ |tan
x
|, तब
f
′
(
π
2
)
का मान है
A
3
π
2
4
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B
Does not exist
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C
π
2
4
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D
π
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Solution
The correct option is
B
Does not exist
विद्यमान नहीं
Solution
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Similar questions
Q.
If
y
=
(
cos
x
)
x
2
, then
d
y
d
x
is equal to
यदि
y
=
(
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x
)
x
2
, तब
d
y
d
x
का मान है
Q.
If
tan
−
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(
x
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+
tan
−
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3
)
=
π
2
then
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is equal to
यदि
tan
−
1
(
x
)
+
tan
−
1
(
√
3
)
=
π
2
, तब
x
का मान बराबर है
Q.
Let
f
(
x
)
be a quadratic expression which is positive for all real
x
. If
g
(
x
)
=
f
(
x
)
−
f
′
(
x
)
+
f
′′
(
x
)
Then for any real
x
Q.
If
f
(
x
)
=
⎧
⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪
⎨
⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪
⎩
(
6
5
)
t
a
n
6
x
t
a
n
5
x
;
0
<
x
<
π
2
a
+
2
;
x
=
π
2
(
1
+
|
c
o
t
x
|
)
b
|
t
a
n
x
|
a
;
π
2
<
x
<
π
is continuous at
x
=
π
2
. Then the values of
a
and
b
are
Q.
If
A
= {2, 4, 5},
B
= {7, 8, 9}, then
n
(
A
×
B
) is equal to
यदि
A
= {2, 4, 5},
B
= {7, 8, 9}, तब
n
(
A
×
B
) का मान है
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