Evaluate the integral by making the given substitution.
∫
sec
(
2
x
)
tan
(
2
x
)
d
x
,
u
=
2
x
\displaystyle \int{\sec{{\left({2}{x}\right)}}}{\tan{{\left({2}{x}\right)}}}{\left.{d}{x}\right.},\qquad{u}={2}{x}
∫
sec
(
2
x
)
tan
(
2
x
)
d
x
,
u
=
2
x
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Question 6
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