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Mathematics
Problem
Given
q
(
x
)
=
8
cos
x
−
10
x
4
+
6
x
q(x)=8\cos x-10x^{4}+6x
q
(
x
)
=
8
cos
x
−
10
x
4
+
6
x
, determine
q
′
(
π
)
q'(\pi)
q
′
(
π
)
. a)
14
−
40
π
3
14-40\pi^{3}
14
−
40
π
3
b)
6
−
40
π
3
6-40\pi^{3}
6
−
40
π
3
c)
6
+
40
π
3
6+40\pi^{3}
6
+
40
π
3
d)
−
40
π
3
-40\pi^{3}
−
40
π
3
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