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Problems
Find
d
d
x
(
7
x
4
+
2
cos
x
−
5
)
\dfrac{d}{dx}\left(7x^4+2\cos x-5\right)
d
x
d
(
7
x
4
+
2
cos
x
−
5
)
.
Mathematics
Problem
Find
d
d
x
(
7
x
4
+
2
cos
x
−
5
)
\dfrac{d}{dx}\left(7x^4+2\cos x-5\right)
d
x
d
(
7
x
4
+
2
cos
x
−
5
)
.
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