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Mathematics
Mathematics
Problem
Calculate
d
2
d
x
2
[
tan
(
5
x
)
]
∣
x
=
0
\displaystyle \left.\frac{d^{2}}{dx^{2}}\bigl[\tan(5x)\bigr]\right|_{x=0}
d
x
2
d
2
[
tan
(
5
x
)
]
x
=
0
.
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