Evaluate
-\frac{3k}{4z^{3}}
Differentiate w.r.t. k
-\frac{3}{4z^{3}}
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kz^{-3}\times \frac{1}{8}\left(-6\right)
Calculate 2 to the power of -3 and get \frac{1}{8}.
kz^{-3}\left(-\frac{3}{4}\right)
Multiply \frac{1}{8} and -6 to get -\frac{3}{4}.
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