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Byju's Answer
Standard XII
Mathematics
Differentiation of Inverse Trigonometric Functions
Differentiate...
Question
Differentiate
sec
−
1
x
A
1
|
x
|
√
(
x
2
−
1
)
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B
1
|
x
|
√
(
x
2
+
1
)
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C
1
x
√
(
x
2
−
1
)
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D
−
1
x
√
(
x
2
−
1
)
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Solution
The correct option is
A
1
|
x
|
√
(
x
2
−
1
)
Let,
y
=
sec
−
1
x
⇒
sec
y
=
x
Differentiating both side w.r.t
x
sec
y
.
tan
y
d
y
d
x
=
1
d
y
d
x
=
1
sec
y
√
(
sec
2
y
−
1
)
=
1
|
x
|
√
(
x
2
−
1
)
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Similar questions
Q.
Differentiate
tan
−
1
√
1
+
x
2
−
1
x
w.r.t.
tan
−
1
x
.
Q.
Solve
is equal to
(A)
(
B)
(
C)
(
D)