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Mathematics
Mathematics
Problem
Find
f
′
(
x
)
f'(x)
f
′
(
x
)
for the following: a. a
f
(
x
)
=
x
arctan
(
2
x
)
f(x) = x \arctan(2x)
f
(
x
)
=
x
arctan
(
2
x
)
b. b
f
(
x
)
=
log
2
(
sec
x
)
f(x) = \log_2(\sec x)
f
(
x
)
=
lo
g
2
(
sec
x
)
.
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