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Mathematics
Mathematics
Problem
Calculate
d
d
z
(
7
z
−
3
+
4
z
1
2
)
\dfrac{d}{dz}\bigl(7z^{-3}+4z^{\tfrac12}\bigr)
d
z
d
(
7
z
−
3
+
4
z
2
1
)
. Express your answer in simplified form.
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