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Mathematics
Mathematics
Problem
Calculate
d
d
x
(
(
x
2
+
1
)
cos
5
x
e
2
x
)
∣
x
=
0
\left.\dfrac{d}{dx}\left(\dfrac{(x^{2}+1)\cos 5x}{e^{2x}}\right)\right|_{x=0}
d
x
d
(
e
2
x
(
x
2
+
1
)
cos
5
x
)
x
=
0
.
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