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Byju's Answer
Standard XII
Physics
Antiderivative
fx=x32x+1tanx...
Question
f
(
x
)
=
x
3
sec
(
2
x
+
1
)
tan
x
find
f
′
(
x
)
.
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Solution
Given
f
(
x
)
=
x
3
s
e
c
(
2
x
+
1
)
t
a
n
x
f
′
(
x
)
=
t
a
n
x
[
(
3
x
2
s
e
c
(
2
x
+
1
)
+
x
3
.2
s
e
c
2
x
+
1
)
t
a
n
(
2
x
+
1
)
]
−
x
2
s
e
c
(
2
x
+
1
)
s
e
c
2
x
t
a
n
2
x
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